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CDC COVID Data Tracker - Cases and Deaths by State

People Who Are Immunocompromised

If a visitor needs to be in your home, improving ventilation (air flow) can help prevent virus particles from accumulating in the air in your home. Good ventilation, along with other preventive actions, like staying 6 feet apart and wearing masks, can help prevent you from getting and spreading Coronavirus Disease 2019 (COVID-19).

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

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.

Noncitizen nonimmigrants must be fully vaccinated to travel by air to the US. Some categories of noncitizen nonimmigrants are excepted from the requirement but will need to fulfill other requirements.

Search COVID-19 risk assessment by country larger map

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).

Risk of COVID-19 hospitalization and death by age group

CDC reports COVID-19 vaccination data online on COVID Data Tracker and in vaccination datasets.

Risk of COVID-19 hospitalization and death by race/ethnicity

CDC reports COVID-19 vaccination data online on COVID Data Tracker and in vaccination datasets.  Timely and accurate reporting from jurisdictions provides the reliable data that can be reported by CDC to the public.

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

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.

people who are up to date with their vaccines are well protected from serious illness or other health outcomes.

CDC recommends everyone ages 5 years and older get vaccinated against COVID-19. Everyone ages 12 years and older should also get a COVID-19 booster shot.

CDC recommends that moderately or severely immunocompromised people receive an additional dose of mRNA COVID-19 vaccine at least four weeks after a second dose of Pfizer-BioNTech COVID-19 vaccine or Moderna COVID-19 vaccine.

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.