2019 Novel Coronavirus (CDC)

CDC's COVID Data Tracker provides county-level COVID-19 vaccination data in the United States. This site provides an integrated, county view of key data for monitoring the COVID-19 pandemic in the United States. It allows users to explore standardized data

Coronavirus (COVID-19) Home Page

Federal staffing resources for health departments.

CDC COVID Data Tracker - Cases and Deaths by State

Testing in the U.S.

Information on COVID-19 vaccination data reported in CDC's COVID Data Tracker.

Variants of SARS-CoV-2, the virus that causes COVID-19, have been reported in many countries around the world. Learn more about the current variants of concern.

Forecasts show national and state level cumulative reported and predicted deaths since the beginning of the pandemic. CDC is working with partners to bring together weekly COVID-19 forecasts in one place.

Learn about COVID-19 forecasts and modeling for new cases.

Learn about COVID-19 forecasts and modeling for new hospitalizations.

Learn the key things you need to know about the new COVID-19 vaccines.

Learn about Coronavirus Disease 2019 (COVID-19), including symptoms, complications, transmission, prevention, treatment, and summary updates of the outbreak.

When Bob Briley retired as a firefighter and paramedic in West Palm Beach, FL to work with the Federal Emergency Management Agency (FEMA), he was accustomed to a 24/7 schedule with a certain level of unpredictability. He also knew that his poised under pressure temperament was an asset to his success. When he brought that skill set to CDC in 2009 as a Deployment Briefing Coordinator during H1N1, he may have solidified his path as one who works in the places that never sleep.

Learn about hospital surveillance (rates) and how that information helps find who is most at risk for severe illness and death, including important demographic information

The Moderna COVID-19 vaccine is an mRNA vaccine that requires 2 shots, 28 days apart. Learn about safety data, efficacy, and clinical trial demographics.

COVID-19 vaccines are safe and effective. Millions of people in the United States have received COVID-19 vaccines, and these vaccines will undergo the most intensive safety monitoring in U.S. history. CDC recommends you get a COVID-19 vaccine as soon as you are eligible. Adverse events described on this page have been reported to the Vaccine Adverse Event Reporting System (VAERS).

Search COVID-19 risk assessment by country larger map

This registry collects health information from pregnant people who get vaccinated. This helps to expand vaccine safety data to further ensure vaccine safety.

Answer a few questions to find out what is required to board a flight to the United States.

People who have had 2 shots of Pfizer-BioNTech or Moderna vaccines may need to start receiving a COVID-19 booster shot 8 months after their second dose.