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URLhttps://www.cdc.gov/covid/php/surveillance/index.html
Last Crawled2026-04-06 08:26:41 (1 day ago)
First Indexed2024-08-01 17:37:09 (1 year ago)
HTTP Status Code200
Meta TitleSurveillance and Data Analytics | Covid | CDC
Meta DescriptionCOVID-19 surveillance and data analytics
Meta Canonicalnull
Boilerpipe Text
This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided in the resources section at the bottom of this page. COVID-19 Surveillance Data in the United States Early Indicators Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency department visits due to COVID-19 are key metrics to assess the impact of COVID-19 on communities. For public health professionals, these metrics act as early indicators of potential increases in COVID-19 activity. % Test Positivity 2.1% Week ending 2026-03-28 Previous Week 2.3% % ED visits diagnosed as COVID-19 0.3% Week ending 2026-03-28 Previous Week 0.3% Severity Indicators Hospitalizations and deaths are key metrics for assessing the severity and disease burden of COVID-19, including which groups are at the increased risk of severe COVID-19. Hospitalization rate per 100,000 population 0.4 Week ending 2026-03-28 Previous week 0.9 % of All Deaths in U.S. Due to COVID-19 0.3% Week ending 2026-03-28 Previous Week 0.3% COVID-19 Death Rates Additional COVID-19 Data and Visualizations COVID-NET monitors COVID-19-associated hospitalizations among children and adults in the U.S. Survey results at the national and state level monitoring COVID-19 vaccination uptake and confidence NCHS provides timely data on deaths, mental health, access to health care, telemedicine, and more CDC shares wastewater data for infectious diseases to help make informed public health decisions. The Pediatric Acute Respiratory Illness dashboard shows respiratory virus data from CDC's NVSN. NREVSS is a laboratory-based system that monitors respiratory and enteric virus activity. CDC uses genomic surveillance to identify and track SARS-CoV-2 variants. Mar. 19, 2026
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Considerations](https://www.cdc.gov/covid/hcp/vaccine-considerations/index.html) - [Vaccine Product Information](https://www.cdc.gov/covid/hcp/eui/index.html) - [Clinical Care Quick Reference](https://www.cdc.gov/covid/hcp/clinical-care/index.html) - [Infection Control Guidance](https://www.cdc.gov/covid/hcp/infection-control/index.html) - [Containing COVID-19 in Non-U.S. Healthcare Settings](https://www.cdc.gov/covid/hcp/non-us-settings/index.html) - [View All](https://www.cdc.gov/covid/site.html#hcp) [Home](https://www.cdc.gov/covid/hcp/index.html) Public Health - [Surveillance and Data Analytics](https://www.cdc.gov/covid/php/surveillance/index.html) - [SARS-CoV-2 Laboratory Biosafety Guidelines](https://www.cdc.gov/covid/php/lab/index.html) - [Antibody Seroprevalence](https://www.cdc.gov/covid/php/antibody-seroprevalence/index.html) - [CDC's Role in Tracking Variants](https://www.cdc.gov/covid/php/variants/index.html) - [SARS-CoV-2 Interagency 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) # Surveillance and Data Analytics Mar. 19, 2026 For Public Health ## Purpose This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided in the resources section at the bottom of this page. ## COVID-19 Surveillance Data in the United States ### Early Indicators Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency department visits due to COVID-19 are key metrics to assess the impact of COVID-19 on communities. For public health professionals, these metrics act as early indicators of potential increases in COVID-19 activity. % Test Positivity ## 2\.1% Week ending 2026-03-28 Previous Week 2.3% Skip Over Chart Container 0 2\.0% 4\.0% 6\.0% 8\.0% 10\.0% 12\.0% 04/12/25 06/21/25 08/30/25 11/08/25 01/17/26 03/28/26 % ED visits diagnosed as COVID-19 ## 0\.3% Week ending 2026-03-28 Previous Week 0.3% Skip Over Chart Container 0 0\.5% 1\.0% 1\.5% 04/12/25 06/21/25 08/30/25 11/08/25 01/17/26 03/28/26 ### Severity Indicators Hospitalizations and deaths are key metrics for assessing the severity and disease burden of COVID-19, including which groups are at the increased risk of severe COVID-19. Hospitalization rate per 100,000 population ## 0\.4 Week ending 2026-03-28 Previous week 0.9 Skip Over Chart Container 0 0\.5 1\.0 1\.5 2\.0 2\.5 04/12/25 06/21/25 08/30/25 11/08/25 01/17/26 03/28/26 % of All Deaths in U.S. Due to COVID-19 ## 0\.3% Week ending 2026-03-28 Previous Week 0.3% Skip Over Chart Container 0 0\.2% 0\.4% 0\.6% 0\.8% 04/12/25 06/21/25 08/30/25 11/08/25 01/17/26 03/28/26 ### COVID-19 Death Rates ## Additional COVID-19 Data and Visualizations [Coronavirus Disease 2019 (COVID-19) Hospitalization Surveillance Network (COVID-NET)](https://www.cdc.gov/covid/php/covid-net/index.html) COVID-NET monitors COVID-19-associated hospitalizations among children and adults in the U.S. [COVIDVaxView](https://www.cdc.gov/covidvaxview/index.html) Survey results at the national and state level monitoring COVID-19 vaccination uptake and confidence [COVID-19 Data from the National Center for Health Statistics](https://www.cdc.gov/nchs/covid19/index.htm) NCHS provides timely data on deaths, mental health, access to health care, telemedicine, and more [NWSS Wastewater Monitoring in the U.S.](https://www.cdc.gov/nwss/index.html) CDC shares wastewater data for infectious diseases to help make informed public health decisions. [Pediatric Acute Respiratory Illness (ARI) Interactive Dashboard](https://www.cdc.gov/nvsn/php/ari-dashboard/index.html) The Pediatric Acute Respiratory Illness dashboard shows respiratory virus data from CDC's NVSN. [The National Respiratory and Enteric Virus Surveillance System (NREVSS)](https://www.cdc.gov/nrevss/php/dashboard/index.html) NREVSS is a laboratory-based system that monitors respiratory and enteric virus activity. [Variants and Genomic Surveillance](https://www.cdc.gov/covid/php/variants/variants-and-genomic-surveillance.html) CDC uses genomic surveillance to identify and track SARS-CoV-2 variants. ## On This Page - [COVID-19 Surveillance Data in the United States](https://www.cdc.gov/covid/php/surveillance/index.html#cdc_survey_profile_purpose-covid-19-surveillance-data-in-the-united-states "COVID-19 Surveillance Data in the United States") - [Additional COVID-19 Data and Visualizations](https://www.cdc.gov/covid/php/surveillance/index.html#cdc_survey_profile_surveys_used-additional-covid-19-data-and-visualizations "Additional COVID-19 Data and Visualizations") ## Related Pages - [Preliminary Estimates of COVID-19 Burden](https://www.cdc.gov/covid/php/surveillance/burden-estimates.html) - [How CDC Estimates the Burden of COVID-19 in the US](https://www.cdc.gov/covid/php/surveillance/about-burden-estimates.html) - [Vaccine Effectiveness](https://www.cdc.gov/covid/php/surveillance/vaccine-effectiveness.html) - [SARS-CoV-2 Laboratory Biosafety Guidelines](https://www.cdc.gov/covid/php/lab/index.html) - [Antibody Seroprevalence](https://www.cdc.gov/covid/php/antibody-seroprevalence/index.html) [View All Covid](https://www.cdc.gov/covid/site.html#php) [Preliminary Estimates of COVID-19 Burden](https://www.cdc.gov/covid/php/surveillance/burden-estimates.html) Mar. 19, 2026 [Sources](https://www.cdc.gov/covid/php/surveillance/index.html#content-sources) [Print](https://www.cdc.gov/covid/php/surveillance/index.html#print) [Share](https://www.cdc.gov/covid/php/surveillance/index.html#share) [Facebook](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.cdc.gov%2Fcovid%2Fphp%2Fsurveillance%2Findex.html "Share to Facebook") [LinkedIn](https://www.linkedin.com/shareArticle?url=https%3A%2F%2Fwww.cdc.gov%2Fcovid%2Fphp%2Fsurveillance%2Findex.html&title=Surveillance%20and%20Data%20Analytics "Share to LinkedIn") [Twitter](http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fcovid%2Fphp%2Fsurveillance%2Findex.html&text=Surveillance%20and%20Data%20Analytics "Share to Twitter") [Syndicate](https://tools.cdc.gov/medialibrary/index.aspx#/sharecontent "Embed this Page") Content Source: [National Center for Immunization and Respiratory Diseases](https://www.cdc.gov/ncird/index.html); [Coronavirus and Other Respiratory Viruses Division](https://www.cdc.gov/ncird/divisions-offices/index.html) ## Related Pages - [Preliminary Estimates of COVID-19 Burden](https://www.cdc.gov/covid/php/surveillance/burden-estimates.html) - [How CDC Estimates the Burden of COVID-19 in the US](https://www.cdc.gov/covid/php/surveillance/about-burden-estimates.html) - [Vaccine Effectiveness](https://www.cdc.gov/covid/php/surveillance/vaccine-effectiveness.html) - [SARS-CoV-2 Laboratory Biosafety Guidelines](https://www.cdc.gov/covid/php/lab/index.html) - [Antibody Seroprevalence](https://www.cdc.gov/covid/php/antibody-seroprevalence/index.html) [View All Covid](https://www.cdc.gov/covid/site.html#php) Back to Top ## [Covid](https://www.cdc.gov/covid/index.html) COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. 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Readable Markdown
This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided in the resources section at the bottom of this page. ## COVID-19 Surveillance Data in the United States ### Early Indicators Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency department visits due to COVID-19 are key metrics to assess the impact of COVID-19 on communities. For public health professionals, these metrics act as early indicators of potential increases in COVID-19 activity. % Test Positivity ## 2\.1% Week ending 2026-03-28 Previous Week 2.3% % ED visits diagnosed as COVID-19 ## 0\.3% Week ending 2026-03-28 Previous Week 0.3% ### Severity Indicators Hospitalizations and deaths are key metrics for assessing the severity and disease burden of COVID-19, including which groups are at the increased risk of severe COVID-19. Hospitalization rate per 100,000 population ## 0\.4 Week ending 2026-03-28 Previous week 0.9 % of All Deaths in U.S. Due to COVID-19 ## 0\.3% Week ending 2026-03-28 Previous Week 0.3% ### COVID-19 Death Rates ## Additional COVID-19 Data and Visualizations COVID-NET monitors COVID-19-associated hospitalizations among children and adults in the U.S. Survey results at the national and state level monitoring COVID-19 vaccination uptake and confidence NCHS provides timely data on deaths, mental health, access to health care, telemedicine, and more CDC shares wastewater data for infectious diseases to help make informed public health decisions. The Pediatric Acute Respiratory Illness dashboard shows respiratory virus data from CDC's NVSN. NREVSS is a laboratory-based system that monitors respiratory and enteric virus activity. CDC uses genomic surveillance to identify and track SARS-CoV-2 variants. Mar. 19, 2026
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