CDC COVID Data Tracker - Cases and Deaths by State
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.
If you have an underlying medical condition, this can help you make an informed decision about getting a COVID-19 vaccination.
Federal staffing resources for health departments.
Take this quiz to test your knowledge and learn about COVID-19 vaccines.
Search COVID-19 risk assessment by country larger map
A guide for school administrators on how to address COVID-19 cases in schools.
Answers to commonly asked questions about COVID-19 vaccines, including vaccine cost, availability, and types.
Animals and Coronavirus Disease 2019 (COVID-19)
Coronavirus (COVID-19) Home Page
A review of the week's key data from CDC's COVID Data Tracker, narrative interpretations, and visualizations.
Facts about COVID-19 vaccines for American Indian and Native Alaskan tribal communities.
COVID-19 Contact Tracing Training Guidance and Resources
CDC general principles for COVID and what CDC is doing to support contact tracing.
Masks help stop the spread of COVID-19 to others. Find out how to wear, clean, and make masks.