🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 84 (from laksa096)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa084.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html","crawl_time":1768654167,"first_indexed_time":1633707580,"http_code":200,"src_unparsed":"com,nytimes!www,\/2021\/10\/08\/travel\/travel-vaccine.html s443","src_root_hash":"4566504020376537684","history_drop_reason":null,"meta_title":"As International Travel Returns, Confusion Over Coronavirus Vaccines Reigns - The New York Times","meta_descriptions":["Fragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated."],"attrs_boilerpipe_text":"Advertisement\nSKIP ADVERTISEMENT\nFragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated.\nBritain expanded the list of vaccination certificates it recognizes from other countries and territories, but certificates from many nations in Africa and South America remain excluded.\nCredit...\nGuy Faulconbridge\/Reuters\nPublished Oct. 8, 2021\nUpdated Nov. 3, 2021\nWhen Turkey was taken off\nBritain’s red list\nfor travel last month, Sally Morrow, an English expatriate living in the Turkish capital of Ankara, rushed to her computer and booked flights to London, so that she could reunite with her ailing parents after more than six months apart.\nBut soon after her ticket confirmation came through, Ms. Morrow, 47, read that the certificate she received when she was vaccinated in Turkey — with the Pfizer-BioNTech coronavirus\nvaccine\n— would not be accepted in Britain. As a result, Ms. Morrow would be required to quarantine for 10 days and take at least three negative coronavirus tests before being permitted to leave isolation there.\n“I had the Pfizer jab, the Rolls-Royce of vaccines, the exact same one as millions of Brits, yet I’m considered unvaccinated simply because I got my vaccine abroad,” Ms. Morrow said.\n“It’s outright discrimination and it’s a disgrace. What do they think? That Turks are selling knockoff vaccines at the Grand Bazaar?” she said, referring to the Ottoman-era market in Istanbul known for selling counterfeit designer merchandise.\nOver the summer, many countries across the world opened to international visitors following the successful rollout of vaccination programs, but fragmented rules about which\nvaccines\nwill be accepted and what documentation is required, as well as a lack of compatibility between vaccine apps, have left many travelers confused and frustrated over where they can visit without extraordinary headaches and restrictions.\nLower efficacy, more stringent restrictions\nMore than 2.7 billion people around the world have been fully vaccinated with a range of vaccines that vary in degrees of efficacy, according to\nOur World in Data\n, an Oxford University Covid-19 database. Across Asia, the United Arab Emirates and South America, millions have received Sinopharm, Sinovac and other vaccines manufactured in China, but concern over their efficacy has resulted in many countries not recognizing them for the purpose of travel. Millions more who received domestic vaccines like the Sputnik V in Russia and\nCovaxin\nin India, which have not received approval from the World Health Organization, are also limited in where they can go.\nBritain eased its travel rules this week\n, expanding the list of vaccination certificates it recognizes from other countries and territories, including Turkey and India, but certificates from many nations in Africa and South America were excluded. In terms of vaccines, the United Kingdom, the 27-member European Union and the 26-country Schengen Area accept the four vaccines approved by the European Medicines Agency — AstraZeneca, Pfizer-BioNTech, Moderna and Johnson & Johnson — but Britain and many E.U. states do not recognize the Sinopharm and Sinovac vaccines, despite their approval by the World Health Organization.\nThe United States is still in a “regulatory process” to determine which vaccines it will accept when\nthe country opens to fully vaccinated travelers in November,\nthe Centers for Disease Control and Prevention said in a statement. But vaccines listed for emergency use by the W.H.O., including AstraZeneca, will be recognized, the agency said. The Sputnik V vaccine, which has been approved in more than 70 countries but not yet by the W.H.O., is unlikely to be accepted by the United States as it initially reopens for international travel.\nThese confusing rules over approved vaccines are not limited to Britain and the United States. Experts warn that the haphazard and preferential approach to travel regulations is creating a two-tier system where people vaccinated with the most effective vaccines — mainly in the west — are able to cross borders freely, while those in developing countries who have received vaccines with a lower efficacy, are not. They fear that such policies will contribute to immunization hesitancy in parts of the world where the most widely accepted vaccines are not available.\nMelinda Mills, director of the Leverhulme Centre for Demographic Science at the University of Oxford and a lead author of a\nRoyal Society report\nreviewing the feasibility of vaccine certificates, called the rules being developed “opaque and contradictory” and said they were “leaving people very frustrated.”\n“We are seeing cracks in these regulations where a country is on the red list of one country and on the green list of another, or when one type of vaccine is accepted by some countries, but not by others,” she added. “And many of these systems are not designed to handle people of multiple nationalities and those who work across borders.”\n‘Most places treat you like you are unvaccinated’\nTo circumvent restrictions, some multinational travelers have received additional doses of different vaccines in another country — vaccines that are more widely accepted around the world. Anita Engel, 45, a German national who works in Dubai, received her second dose of the Sinopharm vaccine in the United Arab Emirates in June. She then got two shots of the Moderna vaccine when she went home to Germany in August.\n“The world opened up this summer, but I couldn’t go anywhere with the Sinopharm without having to quarantine or take PCR tests. Most places treat you like you are unvaccinated,” Ms. Engel said. “I got the Moderna in Germany, so that I could travel around Europe and reconnect with my friends, but I also feel safer because it provides more protection against the variants.”\nTimes travel coverage.\n \nWhen our writers review a destination, they do not accept free or discounted services or, in most cases, reveal that they work for The Times. We want their experience to be what you can expect.\nMs. Engel experienced severe side effects after her second dose of the Moderna vaccine. A doctor told her she was having an adverse reaction to the high level of antibodies in her body, caused by mixing different vaccines in a short amount of time and that she should have gotten an antibody test before getting a third dose.\n“He told me I should have taken an antibody test before I had my third vaccine, and that I shouldn’t have made the decision without consulting a medical professional,” she recalled. “I felt stupid for taking a risk, but I won’t lie — it feels damn good to be able to travel again,” she said.\nThe data on the efficacy and safety of mixing and matching vaccines is currently limited. An expert panel with the organization has issued a recommendation to use the Pfizer-BioNTech or Moderna vaccine as a second dose following a first dose of the AstraZeneca vaccine, if a second dose of the same vaccine is not available.\nA clinical trial led by the University of Oxford\nhas shown that mixing the AstraZeneca and Pfizer-BioNtech vaccine generates a robust immune response against the coronavirus.\nIn the initial stages of vaccination rollouts in the spring, some countries offered mixed doses of vaccines because of supply shortages. In Canada,\nat least 3.9 million people\nreceived two different shots and are now facing travel restrictions because many countries, including the U.S., only consider people with two identical doses fully vaccinated.\n“For Canadians, I think a booster shot to match one of the first vaccines doses will be the likely get-out-of-jail card,” said Ms. Mills, who is Dutch Canadian.\nAnd where is your documentation?\nEven after being permitted to enter a country, foreign visitors can face difficulties accessing establishments or services that require vaccine “passports” or certificates, like restaurants and museums, because of compatibility issues between types of verification software. On vacation in August, Jason Trenton, a 49-year-old music technician who got vaccinated in New York in April, was turned away from a restaurant in Paris because the hostess was unable to scan his\nExcelsior Pass\n, a mobile app issued by New York State.\nIn June, France launched its own app, called the Health Pass, which stores vaccine certificates and PCR test results and is required to access bars, restaurants, shopping centers, tourist sites and public transport. At the time of Mr. Trenton’s visit, the system was not available to U.S. citizens.\n“Most places accept the C.D.C. paper vaccine card, but I didn’t want to carry it around with me because it’s so easy to lose,” Mr. Trenton said. “It’s all down to chance and you just have to hope that someone will accept your pass without scanning it. It worked in most places, but it’s stressful because you make reservations and plan your day but you don’t know if it will work out.”\nIn some countries like Switzerland, travelers who are not from the surrounding E.U. must apply for domestic vaccine certificates that are needed for indoor dining and cultural activities, but getting one can take up to seven days.\n“It’s all very unnecessary and confusing,” said John Morris, 59, an English teacher who lives in Istanbul. He has decided not to go home until Britain recognizes the Pfizer-BioNTech vaccine he received in Turkey. “These rules are just prejudiced against developing countries. I got this very good vaccine under a very efficient health system in Turkey, and I will travel to wherever accepts it.”\nMs. Morrow, however, grew fed up of waiting to see her parents and boarded her flight to London this week. She is currently quarantining at a friend’s house for five days before she can take a PCR test that will allow her to leave isolation early.\n“I’m sharing a house with my friend Wendy, who has exactly the same vaccine as me, but yet for some reason that makes absolutely no sense, if she goes abroad and comes back she’s free to go straight to the pub, while I have lock myself up for days,” Ms. Morrow said.\n“These governments need to make rules that actually make sense and are backed up by data if they want people to respect and follow them.”\nCeylan Yeginsu\nis a London-based reporter. She joined The Times in 2013, and was previously a correspondent in Turkey covering politics, the migrant crisis, the Kurdish conflict, and the rise of Islamic State extremism in Syria and the region.\nRelated Content\nMore in Travel\nJeff Mcintosh\/The Canadian Press, via Associated Press\nWeston Wei\nAthanasios Gioumpasis\/Getty Images\nEditors’ Picks\nNina Westervelt for The New York Times\nBill Cunningham\/The New York Times\nTrending in The Times\nFinbarr O'Reilly for The New York Times\nChiara Gighliazza\nStas Levshin\nThe New York Times\nFilippo Fontana\nImage by Ross Mantle for The New York Times\nAlexander J. Rotondo for The New York Times\nSt. Johns County Sheriff’s Office\nAdvertisement\nSKIP ADVERTISEMENT","attrs_markdown":"[Skip to content](https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html#site-content)[Skip to site index](https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html#site-index)\n\nSearch & Section Navigation\n\nSection Navigation\n\nSearch\n\n[Travel](https:\/\/www.nytimes.com\/section\/travel)\n\n[Log in](https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&client_id=vi&redirect_uri=https%3A%2F%2Fwww.nytimes.com%2Fsubscription%2Fonboarding-offer%3FcampaignId%3D7JFJX%26EXIT_URI%3Dhttps%253A%252F%252Fwww.nytimes.com%252F2021%252F10%252F08%252Ftravel%252Ftravel-vaccine.html&asset=masthead)\n\nSaturday, January 17, 2026\n\n[Today’s Paper](https:\/\/www.nytimes.com\/section\/todayspaper)\n\n[Travel](https:\/\/www.nytimes.com\/section\/travel)\\|As International Travel Returns, Confusion Over Vaccines Reigns\n\nhttps:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html\n\n- Share full article\n- 155\n\nAdvertisement\n\n[SKIP ADVERTISEMENT](https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html#after-top)\n\nSupported by\n\n[SKIP ADVERTISEMENT](https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html#after-sponsor)\n# As International Travel Returns, Confusion Over Vaccines Reigns\nFragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated.\n\n- Share full article\n- 155\n\n![](https:\/\/static01.nyt.com\/images\/2021\/10\/13\/realestate\/13vaccine-confusion\/merlin_195234738_0d6c24a4-535c-4102-bfca-dda49b80bfd3-articleLarge.jpg?quality=75&auto=webp&disable=upscale)\n\nBritain expanded the list of vaccination certificates it recognizes from other countries and territories, but certificates from many nations in Africa and South America remain excluded.Credit...Guy Faulconbridge\/Reuters\n\n[![Ceylan Yeginsu](https:\/\/static01.nyt.com\/images\/2018\/10\/17\/multimedia\/author-ceylan-yeginsu\/author-ceylan-yeginsu-thumbLarge-v2.png)](https:\/\/www.nytimes.com\/by\/ceylan-yeginsu)\n\nBy [Ceylan Yeginsu](https:\/\/www.nytimes.com\/by\/ceylan-yeginsu)\n\nPublished Oct. 8, 2021Updated Nov. 3, 2021\n\nWhen Turkey was taken off [Britain’s red list](https:\/\/www.nytimes.com\/2021\/10\/29\/world\/europe\/uk-covid-travel-red-list.html) for travel last month, Sally Morrow, an English expatriate living in the Turkish capital of Ankara, rushed to her computer and booked flights to London, so that she could reunite with her ailing parents after more than six months apart.\n\nBut soon after her ticket confirmation came through, Ms. Morrow, 47, read that the certificate she received when she was vaccinated in Turkey — with the Pfizer-BioNTech coronavirus [vaccine](https:\/\/www.nytimes.com\/2021\/10\/12\/health\/if-youve-had-covid-do-you-need-the-vaccine.html) — would not be accepted in Britain. As a result, Ms. Morrow would be required to quarantine for 10 days and take at least three negative coronavirus tests before being permitted to leave isolation there.\n\n“I had the Pfizer jab, the Rolls-Royce of vaccines, the exact same one as millions of Brits, yet I’m considered unvaccinated simply because I got my vaccine abroad,” Ms. Morrow said.\n\n“It’s outright discrimination and it’s a disgrace. What do they think? That Turks are selling knockoff vaccines at the Grand Bazaar?” she said, referring to the Ottoman-era market in Istanbul known for selling counterfeit designer merchandise.\n\nOver the summer, many countries across the world opened to international visitors following the successful rollout of vaccination programs, but fragmented rules about which [vaccines](https:\/\/www.nytimes.com\/2021\/11\/08\/travel\/vaccinated-us-travel-rules.html) will be accepted and what documentation is required, as well as a lack of compatibility between vaccine apps, have left many travelers confused and frustrated over where they can visit without extraordinary headaches and restrictions.\n\n## Lower efficacy, more stringent restrictions\nMore than 2.7 billion people around the world have been fully vaccinated with a range of vaccines that vary in degrees of efficacy, according to [Our World in Data](https:\/\/ourworldindata.org\/), an Oxford University Covid-19 database. Across Asia, the United Arab Emirates and South America, millions have received Sinopharm, Sinovac and other vaccines manufactured in China, but concern over their efficacy has resulted in many countries not recognizing them for the purpose of travel. Millions more who received domestic vaccines like the Sputnik V in Russia and [Covaxin](https:\/\/www.nytimes.com\/2021\/11\/03\/world\/asia\/covaxin-covid-vaccine-who.html) in India, which have not received approval from the World Health Organization, are also limited in where they can go.\n\n[Britain eased its travel rules this week](https:\/\/www.nytimes.com\/2021\/10\/04\/world\/europe\/england-travel-restrictions.html), expanding the list of vaccination certificates it recognizes from other countries and territories, including Turkey and India, but certificates from many nations in Africa and South America were excluded. In terms of vaccines, the United Kingdom, the 27-member European Union and the 26-country Schengen Area accept the four vaccines approved by the European Medicines Agency — AstraZeneca, Pfizer-BioNTech, Moderna and Johnson & Johnson — but Britain and many E.U. states do not recognize the Sinopharm and Sinovac vaccines, despite their approval by the World Health Organization.\n\n## More on the Virus\n- **Is It Cold, Flu or Covid?:** With similar symptoms, it can be difficult to tell which illness is which. [Here’s what to know](https:\/\/www.nytimes.com\/2025\/11\/25\/well\/cold-flu-covid-symptoms.html).\n- **Heart Problems:** One study found that a Covid infection [doubled the risk of a major cardiovascular event for up to three years afterward](https:\/\/www.nytimes.com\/2024\/11\/22\/well\/covid-heart-health.html). And the risk of a heart attack [triples within the first few weeks](https:\/\/www.nytimes.com\/2025\/10\/29\/well\/viral-infections-covid-flu-heart-attacks.html) after an infection, another suggested.\n- **Long Covid in Children:** People under 21 [are](https:\/\/www.nytimes.com\/2025\/09\/30\/health\/long-covid-children.html) [twice as likely to develop long-term health consequences](https:\/\/www.nytimes.com\/2025\/09\/30\/health\/long-covid-children.html) after a second coronavirus infection, a large study found.\n- **Covid Shots****:** The F.D.A. [approved updated Covid vaccines](https:\/\/www.nytimes.com\/2025\/08\/27\/health\/fda-covid-vaccines-rfk-jr.html) and limited who can get the shots. Children [under 12 need different versions of the vaccines](https:\/\/www.nytimes.com\/2025\/10\/07\/well\/covid-vaccine-children-parents-issues-rfk-jr.html), but many pharmacies and pediatricians’ offices aren’t stocking them. [Here's what to know](https:\/\/www.nytimes.com\/2025\/08\/27\/well\/covid-vaccines-guidelines-fall-2025.html).\n- **Gut Issues:** Why does Covid cause [diarrhea, constipation, pain and bloating? Here are some suggestions for](https:\/\/www.nytimes.com\/2024\/12\/12\/well\/eat\/covid-symptoms-diarrhea-constipation-pain-bloating.html) what to do about these conditions.\n\nThe United States is still in a “regulatory process” to determine which vaccines it will accept when [the country opens to fully vaccinated travelers in November,](https:\/\/www.nytimes.com\/2021\/09\/20\/us\/politics\/us-travel-ban-coronavirus.html) the Centers for Disease Control and Prevention said in a statement. But vaccines listed for emergency use by the W.H.O., including AstraZeneca, will be recognized, the agency said. The Sputnik V vaccine, which has been approved in more than 70 countries but not yet by the W.H.O., is unlikely to be accepted by the United States as it initially reopens for international travel.\n\nThese confusing rules over approved vaccines are not limited to Britain and the United States. Experts warn that the haphazard and preferential approach to travel regulations is creating a two-tier system where people vaccinated with the most effective vaccines — mainly in the west — are able to cross borders freely, while those in developing countries who have received vaccines with a lower efficacy, are not. They fear that such policies will contribute to immunization hesitancy in parts of the world where the most widely accepted vaccines are not available.\n\n## Editors’ Picks\n[![](https:\/\/static01.nyt.com\/images\/2026\/01\/14\/multimedia\/13comedy-gervais-czml\/13comedy-gervais-czml-thumbLarge.jpg)Did the Worst Netflix Special of the Year Win the Golden Globe?](https:\/\/www.nytimes.com\/2026\/01\/13\/arts\/television\/ricky-gervais-mortality-stand-up-golden-globe-win.html)\n\n[![](https:\/\/static01.nyt.com\/images\/2026\/01\/13\/travel\/13trav-places-readers-greece\/13trav-places-readers-greece-thumbLarge.jpg)Top 10 Reader Favorites From Our ‘52 Places to Go’ List](https:\/\/www.nytimes.com\/2026\/01\/13\/travel\/places-to-go-readers-picks.html)\n\n[![](https:\/\/static01.nyt.com\/images\/2026\/01\/21\/multimedia\/21FD-OTTOLENGHI-spicedpotatobites-lwgc\/14FD-OTTOLENGHI-spicedpotatobites-lwgc-thumbLarge.jpg)The Dinner Yotam Ottolenghi Can’t Wait to Eat in Front of the TV](https:\/\/www.nytimes.com\/2026\/01\/14\/dining\/spiced-potatoes-dinner-yotam-ottolenghi.html)\n\nAdvertisement\n\n[SKIP ADVERTISEMENT](https:\/\/www.nytimes.com\/2021\/10\/08\/travel\/travel-vaccine.html#after-pp_edpick)\n\nMelinda Mills, director of the Leverhulme Centre for Demographic Science at the University of Oxford and a lead author of a [Royal Society report](https:\/\/royalsociety.org\/-\/media\/policy\/projects\/set-c\/set-c-vaccine-passports.pdf?la=en-GB&hash=A3319C914245F73795AB163AD15E9021) reviewing the feasibility of vaccine certificates, called the rules being developed “opaque and contradictory” and said they were “leaving people very frustrated.”\n\n“We are seeing cracks in these regulations where a country is on the red list of one country and on the green list of another, or when one type of vaccine is accepted by some countries, but not by others,” she added. “And many of these systems are not designed to handle people of multiple nationalities and those who work across borders.”\n\n## ‘Most places treat you like you are unvaccinated’\nTo circumvent restrictions, some multinational travelers have received additional doses of different vaccines in another country — vaccines that are more widely accepted around the world. Anita Engel, 45, a German national who works in Dubai, received her second dose of the Sinopharm vaccine in the United Arab Emirates in June. She then got two shots of the Moderna vaccine when she went home to Germany in August.\n\n“The world opened up this summer, but I couldn’t go anywhere with the Sinopharm without having to quarantine or take PCR tests. Most places treat you like you are unvaccinated,” Ms. Engel said. “I got the Moderna in Germany, so that I could travel around Europe and reconnect with my friends, but I also feel safer because it provides more protection against the variants.”\n\nTimes travel coverage. When our writers review a destination, they do not accept free or discounted services or, in most cases, reveal that they work for The Times. We want their experience to be what you can expect.\n\n[Here’s more on our standards and practices.](https:\/\/www.nytimes.com\/editorial-standards\/ethical-journalism.html#rulesForSpecializedDepartments)\n\nMs. Engel experienced severe side effects after her second dose of the Moderna vaccine. A doctor told her she was having an adverse reaction to the high level of antibodies in her body, caused by mixing different vaccines in a short amount of time and that she should have gotten an antibody test before getting a third dose.\n\n“He told me I should have taken an antibody test before I had my third vaccine, and that I shouldn’t have made the decision without consulting a medical professional,” she recalled. “I felt stupid for taking a risk, but I won’t lie — it feels damn good to be able to travel again,” she said.\n\nThe data on the efficacy and safety of mixing and matching vaccines is currently limited. An expert panel with the organization has issued a recommendation to use the Pfizer-BioNTech or Moderna vaccine as a second dose following a first dose of the AstraZeneca vaccine, if a second dose of the same vaccine is not available. [A clinical trial led by the University of Oxford](https:\/\/www.ox.ac.uk\/news\/2021-06-28-mixed-oxfordpfizer-vaccine-schedules-generate-robust-immune-response-against-covid) has shown that mixing the AstraZeneca and Pfizer-BioNtech vaccine generates a robust immune response against the coronavirus.\n\nIn the initial stages of vaccination rollouts in the spring, some countries offered mixed doses of vaccines because of supply shortages. In Canada, [at least 3.9 million people](https:\/\/health-infobase.canada.ca\/covid-19\/vaccination-coverage\/#a6) received two different shots and are now facing travel restrictions because many countries, including the U.S., only consider people with two identical doses fully vaccinated.\n\n“For Canadians, I think a booster shot to match one of the first vaccines doses will be the likely get-out-of-jail card,” said Ms. Mills, who is Dutch Canadian.\n\n## And where is your documentation?\nEven after being permitted to enter a country, foreign visitors can face difficulties accessing establishments or services that require vaccine “passports” or certificates, like restaurants and museums, because of compatibility issues between types of verification software. On vacation in August, Jason Trenton, a 49-year-old music technician who got vaccinated in New York in April, was turned away from a restaurant in Paris because the hostess was unable to scan his [Excelsior Pass](https:\/\/covid19vaccine.health.ny.gov\/excelsior-pass-and-excelsior-pass-plus), a mobile app issued by New York State.\n\nIn June, France launched its own app, called the Health Pass, which stores vaccine certificates and PCR test results and is required to access bars, restaurants, shopping centers, tourist sites and public transport. At the time of Mr. Trenton’s visit, the system was not available to U.S. citizens.\n\n“Most places accept the C.D.C. paper vaccine card, but I didn’t want to carry it around with me because it’s so easy to lose,” Mr. Trenton said. “It’s all down to chance and you just have to hope that someone will accept your pass without scanning it. It worked in most places, but it’s stressful because you make reservations and plan your day but you don’t know if it will work out.”\n\nIn some countries like Switzerland, travelers who are not from the surrounding E.U. must apply for domestic vaccine certificates that are needed for indoor dining and cultural activities, but getting one can take up to seven days.\n\n“It’s all very unnecessary and confusing,” said John Morris, 59, an English teacher who lives in Istanbul. He has decided not to go home until Britain recognizes the Pfizer-BioNTech vaccine he received in Turkey. “These rules are just prejudiced against developing countries. I got this very good vaccine under a very efficient health system in Turkey, and I will travel to wherever accepts it.”\n\nMs. Morrow, however, grew fed up of waiting to see her parents and boarded her flight to London this week. She is currently quarantining at a friend’s house for five days before she can take a PCR test that will allow her to leave isolation early.\n\n“I’m sharing a house with my friend Wendy, who has exactly the same vaccine as me, but yet for some reason that makes absolutely no sense, if she goes abroad and comes back she’s free to go straight to the pub, while I have lock myself up for days,” Ms. Morrow said.\n\n“These governments need to make rules that actually make sense and are backed up by data if they want people to respect and follow them.”\n\nMore on testing and travel\n\n[![]()The U.S. Is Lifting Travel Restrictions for Visitors. What Do the New Rules Mean? Sept. 22, 2021](https:\/\/www.nytimes.com\/2021\/09\/22\/travel\/us-international-travel-vaccine.html)\n\n[![]()I’m a U.S. Citizen. Where in the World Can I Go?](https:\/\/www.nytimes.com\/article\/coronavirus-travel-restrictions.html)\n\n***Follow New York Times Travel*** *on* [*Instagram*](https:\/\/www.instagram.com\/nytimestravel\/)*,* [*Twitter*](https:\/\/twitter.com\/nytimestravel) *and* [*Facebook*](https:\/\/www.facebook.com\/nytimestravel\/)*. And* [*sign up for our weekly Travel Dispatch newsletter*](https:\/\/www.nytimes.com\/newsletters\/traveldispatch) *to receive expert tips on traveling smarter and inspiration for your next vacation.*\n\n[Ceylan Yeginsu](https:\/\/www.nytimes.com\/by\/ceylan-yeginsu) is a London-based reporter. She joined The Times in 2013, and was previously a correspondent in Turkey covering politics, the migrant crisis, the Kurdish conflict, and the rise of Islamic State extremism in Syria and the region.\n\nRead 155 comments\n\n- Share full article\n- 155\n\n## Related Content\n### [More in Travel](https:\/\/www.nytimes.com\/section\/travel)\n- [Economy Seats With Less Legroom? 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URL	https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html
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Meta Title	As International Travel Returns, Confusion Over Coronavirus Vaccines Reigns - The New York Times
Meta Description	Fragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated.
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Boilerpipe Text	Advertisement SKIP ADVERTISEMENT Fragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated. Britain expanded the list of vaccination certificates it recognizes from other countries and territories, but certificates from many nations in Africa and South America remain excluded. Credit... Guy Faulconbridge/Reuters Published Oct. 8, 2021 Updated Nov. 3, 2021 When Turkey was taken off Britain’s red list for travel last month, Sally Morrow, an English expatriate living in the Turkish capital of Ankara, rushed to her computer and booked flights to London, so that she could reunite with her ailing parents after more than six months apart. But soon after her ticket confirmation came through, Ms. Morrow, 47, read that the certificate she received when she was vaccinated in Turkey — with the Pfizer-BioNTech coronavirus vaccine — would not be accepted in Britain. As a result, Ms. Morrow would be required to quarantine for 10 days and take at least three negative coronavirus tests before being permitted to leave isolation there. “I had the Pfizer jab, the Rolls-Royce of vaccines, the exact same one as millions of Brits, yet I’m considered unvaccinated simply because I got my vaccine abroad,” Ms. Morrow said. “It’s outright discrimination and it’s a disgrace. What do they think? That Turks are selling knockoff vaccines at the Grand Bazaar?” she said, referring to the Ottoman-era market in Istanbul known for selling counterfeit designer merchandise. Over the summer, many countries across the world opened to international visitors following the successful rollout of vaccination programs, but fragmented rules about which vaccines will be accepted and what documentation is required, as well as a lack of compatibility between vaccine apps, have left many travelers confused and frustrated over where they can visit without extraordinary headaches and restrictions. Lower efficacy, more stringent restrictions More than 2.7 billion people around the world have been fully vaccinated with a range of vaccines that vary in degrees of efficacy, according to Our World in Data , an Oxford University Covid-19 database. Across Asia, the United Arab Emirates and South America, millions have received Sinopharm, Sinovac and other vaccines manufactured in China, but concern over their efficacy has resulted in many countries not recognizing them for the purpose of travel. Millions more who received domestic vaccines like the Sputnik V in Russia and Covaxin in India, which have not received approval from the World Health Organization, are also limited in where they can go. Britain eased its travel rules this week , expanding the list of vaccination certificates it recognizes from other countries and territories, including Turkey and India, but certificates from many nations in Africa and South America were excluded. In terms of vaccines, the United Kingdom, the 27-member European Union and the 26-country Schengen Area accept the four vaccines approved by the European Medicines Agency — AstraZeneca, Pfizer-BioNTech, Moderna and Johnson & Johnson — but Britain and many E.U. states do not recognize the Sinopharm and Sinovac vaccines, despite their approval by the World Health Organization. The United States is still in a “regulatory process” to determine which vaccines it will accept when the country opens to fully vaccinated travelers in November, the Centers for Disease Control and Prevention said in a statement. But vaccines listed for emergency use by the W.H.O., including AstraZeneca, will be recognized, the agency said. The Sputnik V vaccine, which has been approved in more than 70 countries but not yet by the W.H.O., is unlikely to be accepted by the United States as it initially reopens for international travel. These confusing rules over approved vaccines are not limited to Britain and the United States. Experts warn that the haphazard and preferential approach to travel regulations is creating a two-tier system where people vaccinated with the most effective vaccines — mainly in the west — are able to cross borders freely, while those in developing countries who have received vaccines with a lower efficacy, are not. They fear that such policies will contribute to immunization hesitancy in parts of the world where the most widely accepted vaccines are not available. Melinda Mills, director of the Leverhulme Centre for Demographic Science at the University of Oxford and a lead author of a Royal Society report reviewing the feasibility of vaccine certificates, called the rules being developed “opaque and contradictory” and said they were “leaving people very frustrated.” “We are seeing cracks in these regulations where a country is on the red list of one country and on the green list of another, or when one type of vaccine is accepted by some countries, but not by others,” she added. “And many of these systems are not designed to handle people of multiple nationalities and those who work across borders.” ‘Most places treat you like you are unvaccinated’ To circumvent restrictions, some multinational travelers have received additional doses of different vaccines in another country — vaccines that are more widely accepted around the world. Anita Engel, 45, a German national who works in Dubai, received her second dose of the Sinopharm vaccine in the United Arab Emirates in June. She then got two shots of the Moderna vaccine when she went home to Germany in August. “The world opened up this summer, but I couldn’t go anywhere with the Sinopharm without having to quarantine or take PCR tests. Most places treat you like you are unvaccinated,” Ms. Engel said. “I got the Moderna in Germany, so that I could travel around Europe and reconnect with my friends, but I also feel safer because it provides more protection against the variants.” Times travel coverage. When our writers review a destination, they do not accept free or discounted services or, in most cases, reveal that they work for The Times. We want their experience to be what you can expect. Ms. Engel experienced severe side effects after her second dose of the Moderna vaccine. A doctor told her she was having an adverse reaction to the high level of antibodies in her body, caused by mixing different vaccines in a short amount of time and that she should have gotten an antibody test before getting a third dose. “He told me I should have taken an antibody test before I had my third vaccine, and that I shouldn’t have made the decision without consulting a medical professional,” she recalled. “I felt stupid for taking a risk, but I won’t lie — it feels damn good to be able to travel again,” she said. The data on the efficacy and safety of mixing and matching vaccines is currently limited. An expert panel with the organization has issued a recommendation to use the Pfizer-BioNTech or Moderna vaccine as a second dose following a first dose of the AstraZeneca vaccine, if a second dose of the same vaccine is not available. A clinical trial led by the University of Oxford has shown that mixing the AstraZeneca and Pfizer-BioNtech vaccine generates a robust immune response against the coronavirus. In the initial stages of vaccination rollouts in the spring, some countries offered mixed doses of vaccines because of supply shortages. In Canada, at least 3.9 million people received two different shots and are now facing travel restrictions because many countries, including the U.S., only consider people with two identical doses fully vaccinated. “For Canadians, I think a booster shot to match one of the first vaccines doses will be the likely get-out-of-jail card,” said Ms. Mills, who is Dutch Canadian. And where is your documentation? Even after being permitted to enter a country, foreign visitors can face difficulties accessing establishments or services that require vaccine “passports” or certificates, like restaurants and museums, because of compatibility issues between types of verification software. On vacation in August, Jason Trenton, a 49-year-old music technician who got vaccinated in New York in April, was turned away from a restaurant in Paris because the hostess was unable to scan his Excelsior Pass , a mobile app issued by New York State. In June, France launched its own app, called the Health Pass, which stores vaccine certificates and PCR test results and is required to access bars, restaurants, shopping centers, tourist sites and public transport. At the time of Mr. Trenton’s visit, the system was not available to U.S. citizens. “Most places accept the C.D.C. paper vaccine card, but I didn’t want to carry it around with me because it’s so easy to lose,” Mr. Trenton said. “It’s all down to chance and you just have to hope that someone will accept your pass without scanning it. It worked in most places, but it’s stressful because you make reservations and plan your day but you don’t know if it will work out.” In some countries like Switzerland, travelers who are not from the surrounding E.U. must apply for domestic vaccine certificates that are needed for indoor dining and cultural activities, but getting one can take up to seven days. “It’s all very unnecessary and confusing,” said John Morris, 59, an English teacher who lives in Istanbul. He has decided not to go home until Britain recognizes the Pfizer-BioNTech vaccine he received in Turkey. “These rules are just prejudiced against developing countries. I got this very good vaccine under a very efficient health system in Turkey, and I will travel to wherever accepts it.” Ms. Morrow, however, grew fed up of waiting to see her parents and boarded her flight to London this week. She is currently quarantining at a friend’s house for five days before she can take a PCR test that will allow her to leave isolation early. “I’m sharing a house with my friend Wendy, who has exactly the same vaccine as me, but yet for some reason that makes absolutely no sense, if she goes abroad and comes back she’s free to go straight to the pub, while I have lock myself up for days,” Ms. Morrow said. “These governments need to make rules that actually make sense and are backed up by data if they want people to respect and follow them.” Ceylan Yeginsu is a London-based reporter. She joined The Times in 2013, and was previously a correspondent in Turkey covering politics, the migrant crisis, the Kurdish conflict, and the rise of Islamic State extremism in Syria and the region. Related Content More in Travel Jeff Mcintosh/The Canadian Press, via Associated Press Weston Wei Athanasios Gioumpasis/Getty Images Editors’ Picks Nina Westervelt for The New York Times Bill Cunningham/The New York Times Trending in The Times Finbarr O'Reilly for The New York Times Chiara Gighliazza Stas Levshin The New York Times Filippo Fontana Image by Ross Mantle for The New York Times Alexander J. Rotondo for The New York Times St. Johns County Sheriff’s Office Advertisement SKIP ADVERTISEMENT
Markdown	[Skip to content](https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html#site-content)[Skip to site index](https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html#site-index) Search & Section Navigation Section Navigation Search [Travel](https://www.nytimes.com/section/travel) [Log in](https://myaccount.nytimes.com/auth/login?response_type=cookie&client_id=vi&redirect_uri=https%3A%2F%2Fwww.nytimes.com%2Fsubscription%2Fonboarding-offer%3FcampaignId%3D7JFJX%26EXIT_URI%3Dhttps%253A%252F%252Fwww.nytimes.com%252F2021%252F10%252F08%252Ftravel%252Ftravel-vaccine.html&asset=masthead) Saturday, January 17, 2026 [Today’s Paper](https://www.nytimes.com/section/todayspaper) [Travel](https://www.nytimes.com/section/travel)\\|As International Travel Returns, Confusion Over Vaccines Reigns https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html - Share full article - 155 Advertisement [SKIP ADVERTISEMENT](https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html#after-top) Supported by [SKIP ADVERTISEMENT](https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html#after-sponsor) # As International Travel Returns, Confusion Over Vaccines Reigns Fragmented rules about which vaccines will be accepted and what documentation is needed, as well as a lack of compatibility between vaccine apps, have left many travelers frustrated. - Share full article - 155 ![](https://static01.nyt.com/images/2021/10/13/realestate/13vaccine-confusion/merlin_195234738_0d6c24a4-535c-4102-bfca-dda49b80bfd3-articleLarge.jpg?quality=75&auto=webp&disable=upscale) Britain expanded the list of vaccination certificates it recognizes from other countries and territories, but certificates from many nations in Africa and South America remain excluded.Credit...Guy Faulconbridge/Reuters [![Ceylan Yeginsu](https://static01.nyt.com/images/2018/10/17/multimedia/author-ceylan-yeginsu/author-ceylan-yeginsu-thumbLarge-v2.png)](https://www.nytimes.com/by/ceylan-yeginsu) By [Ceylan Yeginsu](https://www.nytimes.com/by/ceylan-yeginsu) Published Oct. 8, 2021Updated Nov. 3, 2021 When Turkey was taken off [Britain’s red list](https://www.nytimes.com/2021/10/29/world/europe/uk-covid-travel-red-list.html) for travel last month, Sally Morrow, an English expatriate living in the Turkish capital of Ankara, rushed to her computer and booked flights to London, so that she could reunite with her ailing parents after more than six months apart. But soon after her ticket confirmation came through, Ms. Morrow, 47, read that the certificate she received when she was vaccinated in Turkey — with the Pfizer-BioNTech coronavirus [vaccine](https://www.nytimes.com/2021/10/12/health/if-youve-had-covid-do-you-need-the-vaccine.html) — would not be accepted in Britain. As a result, Ms. Morrow would be required to quarantine for 10 days and take at least three negative coronavirus tests before being permitted to leave isolation there. “I had the Pfizer jab, the Rolls-Royce of vaccines, the exact same one as millions of Brits, yet I’m considered unvaccinated simply because I got my vaccine abroad,” Ms. Morrow said. “It’s outright discrimination and it’s a disgrace. What do they think? That Turks are selling knockoff vaccines at the Grand Bazaar?” she said, referring to the Ottoman-era market in Istanbul known for selling counterfeit designer merchandise. Over the summer, many countries across the world opened to international visitors following the successful rollout of vaccination programs, but fragmented rules about which [vaccines](https://www.nytimes.com/2021/11/08/travel/vaccinated-us-travel-rules.html) will be accepted and what documentation is required, as well as a lack of compatibility between vaccine apps, have left many travelers confused and frustrated over where they can visit without extraordinary headaches and restrictions. ## Lower efficacy, more stringent restrictions More than 2.7 billion people around the world have been fully vaccinated with a range of vaccines that vary in degrees of efficacy, according to [Our World in Data](https://ourworldindata.org/), an Oxford University Covid-19 database. Across Asia, the United Arab Emirates and South America, millions have received Sinopharm, Sinovac and other vaccines manufactured in China, but concern over their efficacy has resulted in many countries not recognizing them for the purpose of travel. Millions more who received domestic vaccines like the Sputnik V in Russia and [Covaxin](https://www.nytimes.com/2021/11/03/world/asia/covaxin-covid-vaccine-who.html) in India, which have not received approval from the World Health Organization, are also limited in where they can go. [Britain eased its travel rules this week](https://www.nytimes.com/2021/10/04/world/europe/england-travel-restrictions.html), expanding the list of vaccination certificates it recognizes from other countries and territories, including Turkey and India, but certificates from many nations in Africa and South America were excluded. In terms of vaccines, the United Kingdom, the 27-member European Union and the 26-country Schengen Area accept the four vaccines approved by the European Medicines Agency — AstraZeneca, Pfizer-BioNTech, Moderna and Johnson & Johnson — but Britain and many E.U. states do not recognize the Sinopharm and Sinovac vaccines, despite their approval by the World Health Organization. ## More on the Virus - Is It Cold, Flu or Covid?: With similar symptoms, it can be difficult to tell which illness is which. [Here’s what to know](https://www.nytimes.com/2025/11/25/well/cold-flu-covid-symptoms.html). - Heart Problems: One study found that a Covid infection [doubled the risk of a major cardiovascular event for up to three years afterward](https://www.nytimes.com/2024/11/22/well/covid-heart-health.html). And the risk of a heart attack [triples within the first few weeks](https://www.nytimes.com/2025/10/29/well/viral-infections-covid-flu-heart-attacks.html) after an infection, another suggested. - Long Covid in Children: People under 21 [are](https://www.nytimes.com/2025/09/30/health/long-covid-children.html) [twice as likely to develop long-term health consequences](https://www.nytimes.com/2025/09/30/health/long-covid-children.html) after a second coronavirus infection, a large study found. - Covid Shots: The F.D.A. [approved updated Covid vaccines](https://www.nytimes.com/2025/08/27/health/fda-covid-vaccines-rfk-jr.html) and limited who can get the shots. Children [under 12 need different versions of the vaccines](https://www.nytimes.com/2025/10/07/well/covid-vaccine-children-parents-issues-rfk-jr.html), but many pharmacies and pediatricians’ offices aren’t stocking them. [Here's what to know](https://www.nytimes.com/2025/08/27/well/covid-vaccines-guidelines-fall-2025.html). - Gut Issues: Why does Covid cause [diarrhea, constipation, pain and bloating? Here are some suggestions for](https://www.nytimes.com/2024/12/12/well/eat/covid-symptoms-diarrhea-constipation-pain-bloating.html) what to do about these conditions. The United States is still in a “regulatory process” to determine which vaccines it will accept when [the country opens to fully vaccinated travelers in November,](https://www.nytimes.com/2021/09/20/us/politics/us-travel-ban-coronavirus.html) the Centers for Disease Control and Prevention said in a statement. But vaccines listed for emergency use by the W.H.O., including AstraZeneca, will be recognized, the agency said. The Sputnik V vaccine, which has been approved in more than 70 countries but not yet by the W.H.O., is unlikely to be accepted by the United States as it initially reopens for international travel. These confusing rules over approved vaccines are not limited to Britain and the United States. Experts warn that the haphazard and preferential approach to travel regulations is creating a two-tier system where people vaccinated with the most effective vaccines — mainly in the west — are able to cross borders freely, while those in developing countries who have received vaccines with a lower efficacy, are not. They fear that such policies will contribute to immunization hesitancy in parts of the world where the most widely accepted vaccines are not available. ## Editors’ Picks [![](https://static01.nyt.com/images/2026/01/14/multimedia/13comedy-gervais-czml/13comedy-gervais-czml-thumbLarge.jpg)Did the Worst Netflix Special of the Year Win the Golden Globe?](https://www.nytimes.com/2026/01/13/arts/television/ricky-gervais-mortality-stand-up-golden-globe-win.html) [![](https://static01.nyt.com/images/2026/01/13/travel/13trav-places-readers-greece/13trav-places-readers-greece-thumbLarge.jpg)Top 10 Reader Favorites From Our ‘52 Places to Go’ List](https://www.nytimes.com/2026/01/13/travel/places-to-go-readers-picks.html) [![](https://static01.nyt.com/images/2026/01/21/multimedia/21FD-OTTOLENGHI-spicedpotatobites-lwgc/14FD-OTTOLENGHI-spicedpotatobites-lwgc-thumbLarge.jpg)The Dinner Yotam Ottolenghi Can’t Wait to Eat in Front of the TV](https://www.nytimes.com/2026/01/14/dining/spiced-potatoes-dinner-yotam-ottolenghi.html) Advertisement [SKIP ADVERTISEMENT](https://www.nytimes.com/2021/10/08/travel/travel-vaccine.html#after-pp_edpick) Melinda Mills, director of the Leverhulme Centre for Demographic Science at the University of Oxford and a lead author of a [Royal Society report](https://royalsociety.org/-/media/policy/projects/set-c/set-c-vaccine-passports.pdf?la=en-GB&hash=A3319C914245F73795AB163AD15E9021) reviewing the feasibility of vaccine certificates, called the rules being developed “opaque and contradictory” and said they were “leaving people very frustrated.” “We are seeing cracks in these regulations where a country is on the red list of one country and on the green list of another, or when one type of vaccine is accepted by some countries, but not by others,” she added. “And many of these systems are not designed to handle people of multiple nationalities and those who work across borders.” ## ‘Most places treat you like you are unvaccinated’ To circumvent restrictions, some multinational travelers have received additional doses of different vaccines in another country — vaccines that are more widely accepted around the world. Anita Engel, 45, a German national who works in Dubai, received her second dose of the Sinopharm vaccine in the United Arab Emirates in June. She then got two shots of the Moderna vaccine when she went home to Germany in August. “The world opened up this summer, but I couldn’t go anywhere with the Sinopharm without having to quarantine or take PCR tests. Most places treat you like you are unvaccinated,” Ms. Engel said. “I got the Moderna in Germany, so that I could travel around Europe and reconnect with my friends, but I also feel safer because it provides more protection against the variants.” Times travel coverage. When our writers review a destination, they do not accept free or discounted services or, in most cases, reveal that they work for The Times. We want their experience to be what you can expect. [Here’s more on our standards and practices.](https://www.nytimes.com/editorial-standards/ethical-journalism.html#rulesForSpecializedDepartments) Ms. Engel experienced severe side effects after her second dose of the Moderna vaccine. A doctor told her she was having an adverse reaction to the high level of antibodies in her body, caused by mixing different vaccines in a short amount of time and that she should have gotten an antibody test before getting a third dose. “He told me I should have taken an antibody test before I had my third vaccine, and that I shouldn’t have made the decision without consulting a medical professional,” she recalled. “I felt stupid for taking a risk, but I won’t lie — it feels damn good to be able to travel again,” she said. The data on the efficacy and safety of mixing and matching vaccines is currently limited. An expert panel with the organization has issued a recommendation to use the Pfizer-BioNTech or Moderna vaccine as a second dose following a first dose of the AstraZeneca vaccine, if a second dose of the same vaccine is not available. [A clinical trial led by the University of Oxford](https://www.ox.ac.uk/news/2021-06-28-mixed-oxfordpfizer-vaccine-schedules-generate-robust-immune-response-against-covid) has shown that mixing the AstraZeneca and Pfizer-BioNtech vaccine generates a robust immune response against the coronavirus. In the initial stages of vaccination rollouts in the spring, some countries offered mixed doses of vaccines because of supply shortages. In Canada, [at least 3.9 million people](https://health-infobase.canada.ca/covid-19/vaccination-coverage/#a6) received two different shots and are now facing travel restrictions because many countries, including the U.S., only consider people with two identical doses fully vaccinated. “For Canadians, I think a booster shot to match one of the first vaccines doses will be the likely get-out-of-jail card,” said Ms. Mills, who is Dutch Canadian. ## And where is your documentation? Even after being permitted to enter a country, foreign visitors can face difficulties accessing establishments or services that require vaccine “passports” or certificates, like restaurants and museums, because of compatibility issues between types of verification software. On vacation in August, Jason Trenton, a 49-year-old music technician who got vaccinated in New York in April, was turned away from a restaurant in Paris because the hostess was unable to scan his [Excelsior Pass](https://covid19vaccine.health.ny.gov/excelsior-pass-and-excelsior-pass-plus), a mobile app issued by New York State. In June, France launched its own app, called the Health Pass, which stores vaccine certificates and PCR test results and is required to access bars, restaurants, shopping centers, tourist sites and public transport. At the time of Mr. Trenton’s visit, the system was not available to U.S. citizens. “Most places accept the C.D.C. paper vaccine card, but I didn’t want to carry it around with me because it’s so easy to lose,” Mr. Trenton said. “It’s all down to chance and you just have to hope that someone will accept your pass without scanning it. It worked in most places, but it’s stressful because you make reservations and plan your day but you don’t know if it will work out.” In some countries like Switzerland, travelers who are not from the surrounding E.U. must apply for domestic vaccine certificates that are needed for indoor dining and cultural activities, but getting one can take up to seven days. “It’s all very unnecessary and confusing,” said John Morris, 59, an English teacher who lives in Istanbul. He has decided not to go home until Britain recognizes the Pfizer-BioNTech vaccine he received in Turkey. “These rules are just prejudiced against developing countries. I got this very good vaccine under a very efficient health system in Turkey, and I will travel to wherever accepts it.” Ms. Morrow, however, grew fed up of waiting to see her parents and boarded her flight to London this week. She is currently quarantining at a friend’s house for five days before she can take a PCR test that will allow her to leave isolation early. “I’m sharing a house with my friend Wendy, who has exactly the same vaccine as me, but yet for some reason that makes absolutely no sense, if she goes abroad and comes back she’s free to go straight to the pub, while I have lock myself up for days,” Ms. Morrow said. “These governments need to make rules that actually make sense and are backed up by data if they want people to respect and follow them.” More on testing and travel [![]()The U.S. Is Lifting Travel Restrictions for Visitors. What Do the New Rules Mean? Sept. 22, 2021](https://www.nytimes.com/2021/09/22/travel/us-international-travel-vaccine.html) [![]()I’m a U.S. Citizen. Where in the World Can I Go?](https://www.nytimes.com/article/coronavirus-travel-restrictions.html) *Follow New York Times Travel* on [Instagram](https://www.instagram.com/nytimestravel/), [Twitter](https://twitter.com/nytimestravel) and [Facebook](https://www.facebook.com/nytimestravel/). And [sign up for our weekly Travel Dispatch newsletter](https://www.nytimes.com/newsletters/traveldispatch) to receive expert tips on traveling smarter and inspiration for your next vacation. [Ceylan Yeginsu](https://www.nytimes.com/by/ceylan-yeginsu) is a London-based reporter. She joined The Times in 2013, and was previously a correspondent in Turkey covering politics, the migrant crisis, the Kurdish conflict, and the rise of Islamic State extremism in Syria and the region. Read 155 comments - Share full article - 155 ## Related Content ### [More in Travel](https://www.nytimes.com/section/travel) - [Economy Seats With Less Legroom? This Time, the Budget Move Won’t Fly.](https://www.nytimes.com/2026/01/16/travel/westjet-non-reclinable-economy-seats.html) ![WestJet had narrowed the distance between one row of seats and the next to 28 inches from about 30 inches.](https://static01.nyt.com/images/2026/01/16/multimedia/16trav-westjet-seats-zbtv/16trav-westjet-seats-zbtv-square640.jpg?quality=75&auto=webp&disable=upscale) Jeff Mcintosh/The Canadian Press, via Associated Press - [How to Avoid Stomach Trouble When You Travel](https://www.nytimes.com/2026/01/12/travel/stomach-problems-motion-sickness-tips.html) ![](https://static01.nyt.com/images/2026/01/05/travel/00trav101-stomach-trouble-illo/00trav101-stomach-trouble-illo-square640.jpg?quality=75&auto=webp&disable=upscale) Weston Wei - [Top 10 Reader Favorites From Our ‘52 Places to Go’ List](https://www.nytimes.com/2026/01/13/travel/places-to-go-readers-picks.html) ![The Castle of Methoni, in the Greek region of Messinia.](https://static01.nyt.com/images/2026/01/13/travel/13trav-places-readers-greece/13trav-places-readers-greece-square640.jpg?quality=75&auto=webp&disable=upscale) Athanasios Gioumpasis/Getty Images - [In Jackson Hole, a Different Kind of Skiing](https://www.nytimes.com/2026/01/14/travel/jackson-wyoming-cross-country-ski.html) ![Skiers, fat-tire bikers and dogs all enjoy the Cache Creek Trail near Jackson, Wyo. ](https://static01.nyt.com/images/2026/01/07/multimedia/00trav-jackson-cross-country-bjpz/00trav-jackson-cross-country-bjpz-square640.jpg?quality=75&auto=webp&disable=upscale) ### Editors’ Picks - [Stars Seize Chance to Speak Out at Night Honoring Leonardo DiCaprio](https://www.nytimes.com/2026/01/14/style/national-board-review-gala-leonardo-dicaprio-benicio-del-toro.html) ![](https://static01.nyt.com/images/2026/01/14/multimedia/ST-NATIONAL-BOARD-OF-REVIEW-PARTY-promo-czlf/ST-NATIONAL-BOARD-OF-REVIEW-PARTY-promo-czlf-square640.jpg?quality=75&auto=webp&disable=upscale) Nina Westervelt for The New York Times - [Her Life Was an Old-Money Dream. 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