Center for Disease Control: 2019 Novel Corona Virus

CDC COVID Data Tracker - Cases and Deaths by State

The Pfizer-BioNTech COVID-19 vaccine is an mRNA vaccine that requires 2 shots, 21 days apart. Learn about safety data, efficacy, and clinical trial demographics.

If you receive a Pfizer-BioNTech or Moderna COVID-19 vaccine, you will need 2 shots to get the most protection.

Federal staffing resources for health departments.

Search COVID-19 risk assessment by country larger map

Quarantine after possible exposure to COVID-19 and stay home to monitor your health. Isolate when you have been infected with the virus and stay separated from others in your household.

Resources and tools to help pregnant people, breastfeeding women and new parents caring for infants to protect their health and help people who serve these communities communicate with them.

Answers to commonly asked questions about COVID-19 vaccines, including vaccine cost, availability, and types.

Healthcare Facilities That Have Implemented COVID-19 Electronic Case Reporting

Because COVID-19 is a new disease with new vaccines, you may have questions about what happens before, during, and after your appointment to get vaccinated. These tips will help you know what to expect when you get vaccinated, what information your provider will give you, and resources you can use to monitor your health after you are vaccinated.

A review of the week's key data from CDC's COVID Data Tracker, narrative interpretations, and visualizations.

COVID-19 Contact Tracing Training Guidance and Resources

Heart conditions associated with COVID-19 include inflammation and damage to the heart muscle itself, known as myocarditis, or inflammation of the covering of the heart, known as pericarditis.

Recommendations on what activities people can do after they have been fully vaccinated, including how to gather safely with vaccinated and unvaccinated people.

Learn how to optimize N95 respirators during COVID-19.

Steps for accessing a COVID-19 vaccine if you are homebound.

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.

This information will help you prepare for your COVID-19 vaccination.

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

The risks of SARS-CoV-2 infection in fully vaccinated people cannot be completely eliminated, but the benefits of relaxing some measures may outweigh the residual risk. This page offers background rationale and data for public health recommendations for fully vaccinated people.