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.
CDC's COVID-19 Weekly Partner Calls provide a broad base of partners with updates on the latest guidance, hot topics, and scientific insight on CDC's COVID-19 response efforts. Each week the call focuses on a specific topic, diving deeply to provide more information, followed by a Q&A portion of the call. Questions are accepted ahead of time from the general public, and though not all questions are able to be answered during the call, as many are answered as possible.
Contact tracing is a key component of controlling transmission of infectious diseases. This document is for CDC country offices, ministries of health, sub-national public health authorities, and other implementing partners in non-US settings. While select adaptations may be relevant for any jurisdiction, the document focuses on adaptations that might be especially useful in low- and middle-income countries.
A Contact Tracer's Guide for COVID-19 focuses on communication strategies for contact interviews and provides suggested language for each topic area covered in an interview.
This document focuses on communication strategies for case interviews and provides suggested language for case investigators as they cover each topic area during an interview.
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
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 hospitalizations.
Learn about COVID-19 forecasts and modeling for new cases.
CDC has developed interim guidance for how healthcare providers, laboratories, and public health staff should use antibody tests for COVID-19. These tests look for the presence of antibodies, which are specific proteins made in response to infections.