🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 93 (from laksa094)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa093.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.pacehospital.com/reinfection-of-covid-19-coronavirus-is-it-possible\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.pacehospital.com/reinfection-of-covid-19-coronavirus-is-it-possible\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.pacehospital.com\/reinfection-of-covid-19-coronavirus-is-it-possible","crawl_time":1776144861,"first_indexed_time":1599604586,"http_code":200,"src_unparsed":"com,pacehospital!www,\/reinfection-of-covid-19-coronavirus-is-it-possible s443","src_root_hash":"13835486380250811493","history_drop_reason":null,"meta_title":"COVID-19 Reinfection: Is It Possible? Symptoms & Risk","meta_descriptions":["Can COVID-19 reinfection happen? Learn why reinfection is possible, how immunity works, risk factors, and the role of vaccines in preventing severe illness."],"attrs_boilerpipe_text":"Few cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic.\nScientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time.\nNew Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said.\nI emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone.\nDo people develop immunity after being infected?\nThere is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process.\nAccording to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection.\nWhy does reinfection happens?\nEven though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen.\nA probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected.\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\nVaccines role\nCases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection \/ vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu.\nINDIA's reinfection cases\nIn INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana. \nGet Home Care for suspected or diagnosed COVID-19 patient.","attrs_markdown":"**.**\n\n[Patient Guide](https:\/\/www.pacehospital.com\/patient-guide) \\| [Book Health Packages](https:\/\/www.pacehospital.com\/health-packages) \\| [Careers](https:\/\/www.pacehospital.com\/careers) \\| [Blogs](https:\/\/www.pacehospital.com\/blog)\n\n[24x7 Helpline : 040 4848 6868](tel:04048486868)\n\n[![Pace Hospitals \\| Best Hospitals in Hyderabad, Telangana, India](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/PACE+Hospitals+logo+-+NABH-+NABL-+NBE+-+NABH+-+Nursing+Excellence+accreditation-1920w.png)](https:\/\/www.pacehospital.com\/)\n\n- [Home](https:\/\/www.pacehospital.com\/)\n- [Specialities](https:\/\/www.pacehospital.com\/specialities)\n  - [General Medicine \/ Internal Medicine](https:\/\/www.pacehospital.com\/internal-medicine)\n  - [Endocrinology](https:\/\/www.pacehospital.com\/endocrinology)\n    - 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[Pulmonology Tests and Diagnosis](https:\/\/www.pacehospital.com\/pulmonology\/tests)\n    - [Pulmonology Treatments and Procedures](https:\/\/www.pacehospital.com\/pulmonology\/treatments)\n  - [Neurology](https:\/\/www.pacehospital.com\/neurology)\n    - [Neurological Diseases and Conditions](https:\/\/www.pacehospital.com\/neurology\/diseases)\n    - [Neurology Tests and Diagnosis](https:\/\/www.pacehospital.com\/neurology\/tests)\n    - [Neurology Treatments and Procedures](https:\/\/www.pacehospital.com\/neurology\/treatments)\n    - [Neurology Patient Resources](https:\/\/www.pacehospital.com\/neurology\/patient-resources)\n  - [Neurosurgery](https:\/\/www.pacehospital.com\/neurosurgery)\n  - [Diabetology](https:\/\/www.pacehospital.com\/diabetology)\n  - [Rheumatology](https:\/\/www.pacehospital.com\/rheumatology)\n    - [Rheumatological Diseases and Conditions](https:\/\/www.pacehospital.com\/rheumatology\/diseases)\n    - [Rheumatology Tests and Diagnosis](https:\/\/www.pacehospital.com\/rheumatology\/tests)\n    - [Rheumatology Treatments and Procedures](https:\/\/www.pacehospital.com\/rheumatology\/treatments)\n  - [ENT \/ Otorhinolaryngology](https:\/\/www.pacehospital.com\/ent)\n  - [Plastic & Reconstructive Surgery](https:\/\/www.pacehospital.com\/plastic-and-reconstructive-surgery)\n  - [Interventional Radiology](https:\/\/www.pacehospital.com\/interventional-radiology)\n  - [Gynaecology](https:\/\/www.pacehospital.com\/gynaecology)\n  - [Dermatology](https:\/\/www.pacehospital.com\/dermatology)\n  - [ICU and Critical Care](https:\/\/www.pacehospital.com\/icu-and-critical-care)\n  - [Paediatrics](https:\/\/www.pacehospital.com\/paediatrics)\n  - [Psychiatry](https:\/\/www.pacehospital.com\/psychiatry)\n- [Our Doctors](https:\/\/www.pacehospital.com\/our-doctors)\n- [Book Appointment](https:\/\/www.pacehospital.com\/book-appointment)\n- [International Patients](https:\/\/www.pacehospital.com\/international-patients)\n- [Treatments](https:\/\/www.pacehospital.com\/treatments)\n- [Procedures & Surgeries](https:\/\/www.pacehospital.com\/list-of-procedures-and-surgeries)\n- [Contact Us](https:\/\/www.pacehospital.com\/contact-us)\n\n***\nBlog Post\n***\n\n# Reinfection of Covid-19 (Coronavirus), is it possible?\n[![](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/Reinfection+of+Covid-19-1920w.jpg)]()\n\nPACE Hospitals\n\nFew cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic.\n\n## Is reinfection possible?\nScientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time.\n\nNew Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said.\n\nI emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone.\n## Do people develop immunity after being infected?\nThere is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process.\n\nAccording to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection.\n## Why does reinfection happens?\nEven though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen.\n\nA probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected.\n\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\n\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\n## Vaccines role\nCases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection \/ vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu.\n\n## INDIA's reinfection cases\nIn INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana.\n\n### Get Home Care for suspected or diagnosed COVID-19 patient.\n\n***\n### [Home Care for Coronavirus (COVID-19) patient](https:\/\/www.pacehospital.com\/covid-care)\n\n[\\< Older Post](https:\/\/www.pacehospital.com\/sinusitis-types-causes-symptoms-and-treatment)\n\n[Newer Post \\>](https:\/\/www.pacehospital.com\/covid-19-and-kidney-disease-important-update-for-kidney-patients)\n\n#### Share on\nPrint this page\n\n## Request an appointment\nFill in the appointment form or call us instantly to book a confirmed appointment with our [super specialist](https:\/\/www.pacehospital.com\/our-doctors) at [04048486868](tel:+914048486868)\n\n### Appointment request - health articles\nThank you for contacting us. We will get back to you as soon as possible. Kindly save these contact details in your contacts to receive calls and messages:-\n\n**Appointment Desk: 04048486868**\n\n**Whatsapp: 8977889778**\n\nRegards,\n\nPace Hospitals\n\nHitech City and Madinaguda\n\nHyderabad, Telangana, India.\n\nOops, there was an error sending your message. Please try again later. We will get back to you as soon as possible. Kindly save these contact details in your contacts to receive calls and messages:-\n\n**Appointment Desk: 04048486868**\n\n**Whatsapp: 8977889778**\n\nRegards,\n\nPace Hospitals\n\nHitech City and Madinaguda\n\nHyderabad, Telangana, India.\n\n## Recent Articles\n[![World Chagas Disease Day 14 April 2026 \\| Theme, Importance & History \\| Transmission & Prevention](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/World+Chagas+Disease+Day-1920w.jpg)](https:\/\/www.pacehospital.com\/world-chagas-disease-day)\n\n### [World Chagas Disease Day, 14 April 2026 \\| Theme & Importance](https:\/\/www.pacehospital.com\/world-chagas-disease-day)\nBy PACE Hospitals • April 13, 2026\n\nWorld Chagas Disease Day 2026, observed on 14 April, highlights its theme and importance in raising awareness about prevention, early diagnosis, and treatment.\n\n[![Successful fistulectomy for perianal fistula (anal fistula) in a 67-year-old male at PACE Hospitals](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/Medical-case-study-Successful-Fistulectomy-for-Perianal-Fistula-in-a-67-Y.O.-Male-with-Multiple-Comorbidities-PACE-Hospitals-Hyderabad-1920w.jpg)](https:\/\/www.pacehospital.com\/fistulectomy-for-anal-fistula-treatment-case-study)\n\n### [Successful Fistulectomy for Perianal Fistula in a 67 Y.O. Male with Multiple Comorbidities](https:\/\/www.pacehospital.com\/fistulectomy-for-anal-fistula-treatment-case-study)\nBy PACE Hospitals • April 13, 2026\n\nDiscover the case study of a 67-year-old male with anal fistula (perianal fistula) treated with fistulectomy by surgical gastroenterologists at PACE Hospitals.\n\n[![Successful Arthroscopic SLAP Repair & Bursectomy done for SLAP Tear Treatment at PACE Hospitals ](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/Arthroscopic+SLAP+Repair-+Bursectomy+-+Capsular+Release+for+Grade+3+SLAP+Tear+with+Bursitis+-+B-1920w.jpg)](https:\/\/www.pacehospital.com\/arthroscopic-slap-repair-bursectomy-for-grade-3-slap-tear-treatment-case-study)\n\n### [Successful Arthroscopic SLAP Repair, Bursectomy & Capsular Release for Grade 3 SLAP Tear with Bursitis in a 40 Y.O. Male](https:\/\/www.pacehospital.com\/arthroscopic-slap-repair-bursectomy-for-grade-3-slap-tear-treatment-case-study)\nBy PACE Hospitals • April 11, 2026\n\nCase study of Grade 3 SLAP tear with bursitis in a 40-year-old male treated with arthroscopic SLAP repair, bursectomy, and capsular release at PACE Hospitals.\n\n[![Successful Laminectomy and Foraminotomy for cervical stenosis treatment at PACE Hospitals](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/Medical-case-study-Successful-Laminectomy-and-Foraminotomy-for-Cervical-Stenosis-with-Myelopathy-in-a-52-Y.O.-Male-PACE-Hospitals-Hyderabad-1920w.jpg)](https:\/\/www.pacehospital.com\/laminectomy-foraminotomy-for-cervical-stenosis-treatment-case-study)\n\n### [Successful Laminectomy and Foraminotomy for Cervical Stenosis with Myelopathy in a 52 Y.O. Male](https:\/\/www.pacehospital.com\/laminectomy-foraminotomy-for-cervical-stenosis-treatment-case-study)\nBy PACE Hospitals • April 10, 2026\n\nCase study of cervical canal stenosis with myelopathy in a 52-year-old male treated with laminectomy and foraminotomy by a neurosurgeon at PACE Hospitals.\n\n[![World Parkinson's Day 11 April \\| World Parkinson's Disease Day 2026 \\| World PD Day Importance](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/World+Parkinson-s+Disease+Day-1920w.jpg)](https:\/\/www.pacehospital.com\/world-parkinson-s-disease-day)\n\n### [World Parkinson's Day 11 April, 2026 \\| History & Importance](https:\/\/www.pacehospital.com\/world-parkinson-s-disease-day)\nBy PACE Hospitals • April 10, 2026\n\nJoin us on World Parkinson's Day to raise awareness, share insights, and support those living with Parkinson's disease. Learn more about its impact and treatment.\n\n[![World Parkinson’s Day podcast with Dr. S. Pramod Kumar & Dr. U.L. Sandeep Varma from PACE Hospitals](https:\/\/lirp.cdn-website.com\/69c0b277\/dms3rep\/multi\/opt\/PODCAST+-+Understanding+Parkinson-s+Disease+-+Everything+You+Need+to+Know+-+Dr.+S+Pramod+Kumar+-+Dr.+Sandeep+Varma+-+PACE+Hospitals-1920w.jpg)](https:\/\/www.pacehospital.com\/podcast\/world-parkinson-s-disease-day-awareness-podcast)\n\n### [World Parkinson’s Disease Day 2026 Podcast by Neurologists](https:\/\/www.pacehospital.com\/podcast\/world-parkinson-s-disease-day-awareness-podcast)\nBy PACE Hospitals • April 10, 2026\n\nTune into the World Parkinson’s Day podcast with Dr. S. Pramod Kumar & Dr. U.L. Sandeep Varma for expert insights on symptoms, causes & treatment of Parkinson’s disease.\n\n- [1 (current)]()\n- [2]()\n- [3]()\n- [...]()\n- [212]()\n***\n\n[Book Now](https:\/\/book.pacehospital.com\/)\n\n## Our Locations – Find the Best Hospital Near You\n### [**HITEC City, Hyderabad**](https:\/\/www.pacehospital.com\/hitech-city)\nMetro Pillar Number C1772, Beside Avasa Hotel, Hitech City Road, Near HITEC City Metro Station, Hyderabad, Telangana, India.\n\n040 4848 6868\n***\n\n### [**Madinaguda, Hyderabad**](https:\/\/www.pacehospital.com\/madinaguda)\nMythri Nagar, Beside South India Shopping Mall, Madeenaguda, Miyapur, Hyderabad, Telangana, India.\n\n040 4848 6868\n***\n\nPayment in advance for treatment at PACE Hospitals, Hyderabad, Telangana, India (Pay in INR ₹)\n\n**For Bank Transfer:-**\n\n- Bank Name: HDFC  \n  Company Name: PACE Hospitals  \n  A\/c No.50200028705218  \n  IFSC Code: HDFC0000545\n- Bank Name: STATE BANK OF INDIA  \n  Company Name: PACE Hospitals  \n  A\/c No.62206858997  \n  IFSC Code: SBIN0020299\n\n**Scan QR Code via Any Payment App (GPay, Paytm, PhonePe, BHIM, Bank Apps, PayZapp, Amazon, Airtel, Truecaller, WhatsApp, etc).**\n\n[Pay Online](https:\/\/razorpay.me\/@pacehospitals)\n\n#### CONTACT US\n##### Call & WhatsApp:  \\+914048486868\n##### Email:  info@pacehospitals.in\n\n[Book an appointment](https:\/\/book.pacehospital.com\/)\n\n##### Accreditations\n![NABH Logo \\| NABH accredited hospitals in Hyderabad](https:\/\/irp.cdn-website.com\/69c0b277\/dms3rep\/multi\/NABH+Accreditation+-+PACE+Hospitals-+Hyderabad.svg)\n\n![NABH Nursing Excellence Logo \\| NABH accredited Nursing Excellence hospitals in Hyderabad](https:\/\/irp.cdn-website.com\/69c0b277\/dms3rep\/multi\/NABH+Nursing+Excellence+Accreditation+-+PACE+Hospitals-+Hyderabad.svg)\n\n![NABL Logo \\| NABL accredited hospitals in Hyderabad](https:\/\/irp.cdn-website.com\/69c0b277\/dms3rep\/multi\/NABL+Accreditation+-+PACE+Hospitals-+Hyderabad-+Telangana.svg)\n\n![NBE DNB Logo \\| DNB accredited hospitals in Hyderabad](https:\/\/irp.cdn-website.com\/69c0b277\/dms3rep\/multi\/NBE+DNB+Accreditation+-+PACE+Hospitals-+Hyderabad.svg)\n##### Follow PACE Hospitals\n\\-------------------------\n\n##### SUBSCRIBE\n##### Subscribe to our newsletter and stay updated with the latest health information.\n### Subscribe to PACE Hospitals' Public Newsletter\nThank you for subscribing to PACE Hospitals' Newsletter. 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Please try again submitting your details.\n\n##### ABOUT US\n- [About PACE](https:\/\/www.pacehospital.com\/about-us)\n- [Our Doctors](https:\/\/www.pacehospital.com\/our-doctors)\n- [For International Patients](https:\/\/www.pacehospital.com\/international-patients)\n- [For Patients and Visitors](https:\/\/www.pacehospital.com\/patient-guide)\n##### QUICK LINKS\n- [Second Opinion](https:\/\/www.pacehospital.com\/medical-second-opinion)\n- [Podcast](https:\/\/www.pacehospital.com\/podcast)\n- [Case Studies](https:\/\/www.pacehospital.com\/case-studies)\n- [Free Doctor Consultation](https:\/\/www.pacehospital.com\/free-doctor-consultation)\n- [Blood Test at Home](https:\/\/www.pacehospital.com\/blood-test-at-home)\n- [List of Procedures & Surgeries](https:\/\/www.pacehospital.com\/list-of-procedures-and-surgeries)\n- [Treatment, Procedure & Surgery Cost](https:\/\/www.pacehospital.com\/procedure-surgery-cost)\n- [Health Awareness Videos](https:\/\/www.pacehospital.com\/health-awareness-videos)\n- [World Health Awareness Days](https:\/\/www.pacehospital.com\/world-health-days)\n- [Privilege Health Card](https:\/\/www.pacehospital.com\/health-card)\n- [IDCCM & IDCCN](https:\/\/www.pacehospital.com\/idccm-idccn-admission)\n- [Choose Your Language](https:\/\/www.pacehospital.com\/languages)\n\n##### **SPECIALITIES**\n- [Gastroenterology](https:\/\/www.pacehospital.com\/gastroenterology)\n- [Hepatology](https:\/\/www.pacehospital.com\/hepatology)\n- [Organ Transplant](https:\/\/www.pacehospital.com\/organ-transplant)\n- [Bariatric and Metabolic Surgery](https:\/\/www.pacehospital.com\/bariatric-surgery-department)\n- [Urology](https:\/\/www.pacehospital.com\/urology)\n- [Nephrology](https:\/\/www.pacehospital.com\/nephrology)\n- [Cardiology](https:\/\/www.pacehospital.com\/cardiology)\n- [Cardiothoracic & Vascular Surgery](https:\/\/www.pacehospital.com\/ctvs-cardiothoracic-and-vascular-surgery)\n- [Orthopaedics](https:\/\/www.pacehospital.com\/orthopaedics)\n- [Spine Surgery](https:\/\/www.pacehospital.com\/spine-surgery)\n- [Sports Medicine](https:\/\/www.pacehospital.com\/sports-medicine-hospital)\n- [Gynaecology](https:\/\/www.pacehospital.com\/gynaecology)\n- [Oncology](https:\/\/www.pacehospital.com\/oncology)\n- [Internal Medicine](https:\/\/www.pacehospital.com\/internal-medicine)\n- [Endocrinology](https:\/\/www.pacehospital.com\/endocrinology)\n- [Diabetology](https:\/\/www.pacehospital.com\/diabetology-and-endocrinology)\n- [Pulmonology](https:\/\/www.pacehospital.com\/pulmonology)\n- [Neurology](https:\/\/www.pacehospital.com\/neurology)\n- [Neurosurgery](https:\/\/www.pacehospital.com\/neurosurgery)\n- [Paediatrics](https:\/\/www.pacehospital.com\/paediatrics)\n- [ENT](https:\/\/www.pacehospital.com\/ent)\n- [Interventional Radiology](https:\/\/www.pacehospital.com\/interventional-radiology)\n- [Plastic & Reconstructive Surgery](https:\/\/www.pacehospital.com\/plastic-and-reconstructive-surgery)\n- [Dermatology](https:\/\/www.pacehospital.com\/dermatology)\n- [Psychiatry](https:\/\/www.pacehospital.com\/psychiatry)\n\n***\n###### Disclaimer\nGeneral information on healthcare issues is made available by PACE Hospitals through this website (www.pacehospital.com), as well as its other websites and branded social media pages. The text, videos, illustrations, photographs, quoted information, and other materials found on these websites (here by collectively referred to as \"Content\") are offered for informational purposes only and is neither exhaustive nor complete. Prior to forming a decision in regard to your health, consult your  [doctor](https:\/\/www.pacehospital.com\/our-doctors)  or any another healthcare professional. PACE Hospitals does not have an obligation to update or modify the \"Content\" or to explain or resolve any inconsistencies therein.\n\nThe \"Content\" from the website of PACE Hospitals or from its branded social media pages might include any adult explicit \"Content\" which is deemed exclusively medical or health-related and not otherwise. Publishing material or making references to specific sources, such as to any particular therapies, goods, drugs, practises, doctors, nurses, other healthcare professionals, diagnoses or procedures is done purely for informational purposes and does not reflect any endorsement by PACE Hospitals – your trusted hospital in Hyderabad, India.\n\n[Privacy Policy](https:\/\/www.pacehospital.com\/privacy-policy) \\| [Terms of Service](https:\/\/www.pacehospital.com\/terms-of-service) \\| [Refund Policy](https:\/\/www.pacehospital.com\/refund-policy)\n\n© 2026\n\nAll Rights Reserved \\| PACE Hospitals\n\nShare by:\n\n![](https:\/\/www.facebook.com\/tr?id=582385918164058&ev=PageView&noscript=1)","attrs_readable_markdown":"Few cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic.\n\nScientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time.\n\nNew Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said.\n\nI emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone.\n\nDo people develop immunity after being infected?\n\nThere is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process.\n\nAccording to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection.\n\nWhy does reinfection happens?\n\nEven though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen.\n\nA probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected.\n\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\n\nThe viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with.\n\nVaccines role\n\nCases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection \/ vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu.\n\nINDIA's reinfection cases\n\nIn INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana.\n\n### Get Home Care for suspected or diagnosed COVID-19 patient.","meta_canonical":null}

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Boilerpipe Text	Few cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic. Scientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time. New Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said. I emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone. Do people develop immunity after being infected? There is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process. According to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection. Why does reinfection happens? Even though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen. A probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. Vaccines role Cases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection / vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu. INDIA's reinfection cases In INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana. Get Home Care for suspected or diagnosed COVID-19 patient.
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[![](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/Reinfection+of+Covid-19-1920w.jpg)]() PACE Hospitals Few cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic. ## Is reinfection possible? Scientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time. New Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said. I emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone. ## Do people develop immunity after being infected? There is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process. According to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection. ## Why does reinfection happens? Even though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen. A probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. ## Vaccines role Cases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection / vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu. ## INDIA's reinfection cases In INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana. ### Get Home Care for suspected or diagnosed COVID-19 patient. * ### [Home Care for Coronavirus (COVID-19) patient](https://www.pacehospital.com/covid-care) [\< Older Post](https://www.pacehospital.com/sinusitis-types-causes-symptoms-and-treatment) [Newer Post \>](https://www.pacehospital.com/covid-19-and-kidney-disease-important-update-for-kidney-patients) #### Share on Print this page ## Request an appointment Fill in the appointment form or call us instantly to book a confirmed appointment with our [super specialist](https://www.pacehospital.com/our-doctors) at [04048486868](tel:+914048486868) ### Appointment request - health articles Thank you for contacting us. We will get back to you as soon as possible. Kindly save these contact details in your contacts to receive calls and messages:- Appointment Desk: 04048486868 Whatsapp: 8977889778 Regards, Pace Hospitals Hitech City and Madinaguda Hyderabad, Telangana, India. Oops, there was an error sending your message. Please try again later. We will get back to you as soon as possible. Kindly save these contact details in your contacts to receive calls and messages:- Appointment Desk: 04048486868 Whatsapp: 8977889778 Regards, Pace Hospitals Hitech City and Madinaguda Hyderabad, Telangana, India. ## Recent Articles [![World Chagas Disease Day 14 April 2026 \\| Theme, Importance & History \\| Transmission & Prevention](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/World+Chagas+Disease+Day-1920w.jpg)](https://www.pacehospital.com/world-chagas-disease-day) ### [World Chagas Disease Day, 14 April 2026 \\| Theme & Importance](https://www.pacehospital.com/world-chagas-disease-day) By PACE Hospitals • April 13, 2026 World Chagas Disease Day 2026, observed on 14 April, highlights its theme and importance in raising awareness about prevention, early diagnosis, and treatment. [![Successful fistulectomy for perianal fistula (anal fistula) in a 67-year-old male at PACE Hospitals](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/Medical-case-study-Successful-Fistulectomy-for-Perianal-Fistula-in-a-67-Y.O.-Male-with-Multiple-Comorbidities-PACE-Hospitals-Hyderabad-1920w.jpg)](https://www.pacehospital.com/fistulectomy-for-anal-fistula-treatment-case-study) ### [Successful Fistulectomy for Perianal Fistula in a 67 Y.O. Male with Multiple Comorbidities](https://www.pacehospital.com/fistulectomy-for-anal-fistula-treatment-case-study) By PACE Hospitals • April 13, 2026 Discover the case study of a 67-year-old male with anal fistula (perianal fistula) treated with fistulectomy by surgical gastroenterologists at PACE Hospitals. [![Successful Arthroscopic SLAP Repair & Bursectomy done for SLAP Tear Treatment at PACE Hospitals ](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/Arthroscopic+SLAP+Repair-+Bursectomy+-+Capsular+Release+for+Grade+3+SLAP+Tear+with+Bursitis+-+B-1920w.jpg)](https://www.pacehospital.com/arthroscopic-slap-repair-bursectomy-for-grade-3-slap-tear-treatment-case-study) ### [Successful Arthroscopic SLAP Repair, Bursectomy & Capsular Release for Grade 3 SLAP Tear with Bursitis in a 40 Y.O. Male](https://www.pacehospital.com/arthroscopic-slap-repair-bursectomy-for-grade-3-slap-tear-treatment-case-study) By PACE Hospitals • April 11, 2026 Case study of Grade 3 SLAP tear with bursitis in a 40-year-old male treated with arthroscopic SLAP repair, bursectomy, and capsular release at PACE Hospitals. [![Successful Laminectomy and Foraminotomy for cervical stenosis treatment at PACE Hospitals](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/Medical-case-study-Successful-Laminectomy-and-Foraminotomy-for-Cervical-Stenosis-with-Myelopathy-in-a-52-Y.O.-Male-PACE-Hospitals-Hyderabad-1920w.jpg)](https://www.pacehospital.com/laminectomy-foraminotomy-for-cervical-stenosis-treatment-case-study) ### [Successful Laminectomy and Foraminotomy for Cervical Stenosis with Myelopathy in a 52 Y.O. Male](https://www.pacehospital.com/laminectomy-foraminotomy-for-cervical-stenosis-treatment-case-study) By PACE Hospitals • April 10, 2026 Case study of cervical canal stenosis with myelopathy in a 52-year-old male treated with laminectomy and foraminotomy by a neurosurgeon at PACE Hospitals. [![World Parkinson's Day 11 April \\| World Parkinson's Disease Day 2026 \\| World PD Day Importance](https://lirp.cdn-website.com/69c0b277/dms3rep/multi/opt/World+Parkinson-s+Disease+Day-1920w.jpg)](https://www.pacehospital.com/world-parkinson-s-disease-day) ### [World Parkinson's Day 11 April, 2026 \\| History & Importance](https://www.pacehospital.com/world-parkinson-s-disease-day) By PACE Hospitals • April 10, 2026 Join us on World Parkinson's Day to raise awareness, share insights, and support those living with Parkinson's disease. Learn more about its impact and treatment. [![World Parkinson’s Day podcast with Dr. S. Pramod Kumar & Dr. U.L. 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Readable Markdown	Few cases of COVID-19 reinfection have been reported across the world. The reinfection cases have raised the concern about people's immunity to the coronavirus as the world struggles to tame the pandemic. It is a question that has implications for the health and economic challenges posed by the pandemic. Scientists don’t know for sure but they believe unlikely. A recent study by researchers from Hongkong found that 33 years old man was the first documented reinfection. He tested positive on March 26 with mild symptoms and tested negative twice by April 14, but on August 15 he tested positive again after a trip to EUROPE. The second time though he was asymptomatic. I think genes showed the man was infected with a different variant of the coronavirus second time. Though he did not have detectable amount of antibodies in his system after the first infection, which likely why he was asymptomatic 2nd time. New Delhi, Immunologist says conclusions on the immune system working against the virus cannot be made from individual patient case studies. According to experts, reinfection are rare but possible. We knew this already because immunity is never 100%, Anderson, Prof of Immunology said. I emphasized that reinfection with the virus is probably rare but said the recent findings imply that initial exposure to the virus may not result in full immunity for everyone. Do people develop immunity after being infected? There is no current evidence that people who have recovered from COVID-19 and have antibodies are protected, WHO. The development of the immunity to a pathogen though natural infection is a multi step process. According to WHO, some Governments have suggested that the detection of antibodies to the SARS-COV2, the virus that causes COVID-19 could serve as the basis for an immunity passport or risk free certificate that could enable individuals to travel or to return for work assuming that they are protected against reinfection. There is no evidence that who has recovered from COVID-19 and have antibodies are protected from a second infection. Why does reinfection happens? Even though there exist have only little clinical evidence about people catching COVID-19 again. Scientists suggest that there can be multiple meanings of what reinfection could mean, making us understand as to why this could happen. A probable reason for this could be the fact that once a person recovers from the infection, the viral load in the body depletes. In some cases, a recovered patients could go on to have low levels of virus in the body hence make them prone to show symptoms and get infected. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. The viral load could persists in the body for up to 2 to 3 months time in this duration most people who get reinfected were diagnosed with. Vaccines role Cases of reinfection may prompt questions about efficacy of vaccines, but we say reinfections is the big reason for getting vaccinated as vaccines can produce better immunity than the disease. Researchers from Hongkong told it is likely that vaccination can reduce a more potent and prolonged immunity than natural infection. SARS-COV2 may persist like other common cold coronaviruses, even for those who acquire immunity via natural infection / vaccination. Hence it may require periodic booster shots for the immunity against evolving strains of the virus, as is the case with the flu. INDIA's reinfection cases In INDIA, Telangana and Gujrat have reported what could be the country's 1st documented reinfections. Last week Telanagana Govt said it has 2 cases of COVID-19 reinfection among frontline medical professionals and is investigating whether 2 different strains of the novel coronavirus were responsible for it. Although they had undergone the RT-PCR tests both times and had tested positive, they were completely asymptomatic initially. There is a chance that they got reinfected after getting exposed to different strain of the virus said by the health officials of Telangana. ### Get Home Care for suspected or diagnosed COVID-19 patient.
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