Answers to commonly asked questions about COVID-19 vaccines, including vaccine cost, availability, and types.
COVID-19 Contact Tracing Training Guidance and Resources
Sample letters for K-12 school administrators to respond to COVID-19 cases
Toolkit for K-12 school administrators with resources for responding to COVID-19 cases
Learn about COVID-19 forecasts and modeling for new cases.
If you receive a Pfizer-BioNTech or Moderna COVID-19 vaccine, you will need 2 shots to get the most protection.
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).
Since November 2020, the United Kingdom (UK) has reported a rapid increase in COVID-19 cases in London and southeast England. This rapid increase in cases has been linked to a different version-or variant-of the virus that causes COVID-19 (SARS-CoV-2).
This registry collects health information from pregnant people who get vaccinated. This helps to expand vaccine safety data to further ensure vaccine safety.
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.
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.
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.
Healthcare Facilities That Have Implemented COVID-19 Electronic Case Reporting
Recommendations on what activities people can do after they have been fully vaccinated, including how to gather safely with vaccinated and unvaccinated people.
CDC is learning more about how COVID-19 spreads and affects people and communities. Learn more by viewing scientific briefs and agendas.
This information will help you prepare for your COVID-19 vaccination.
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.
Steps for accessing a COVID-19 vaccine if you are homebound.
Workplaces and Businesses