COVID-19 by County | CDC

Many people in the United States have some protection, or immunity, against COVID-19 due to vaccination, previous infection, or both. This immunity, combined with the availability of tests and treatments, has greatly reduced the risk of severe illness, hospitalization, and death from COVID-19 for many people.

At the same time, some people—such as those who are older, are immunocompromised, have certain disabilities, or have certain underlying health conditions—continue to be at higher risk for serious illness. Learn more about the factors that can affect your risk of getting very sick from COVID-19 to better understand how COVID-19 could affect you and others around you.