COVID-19 Science
COVID-19 Vaccines
Everyone 6 months of age and older are now eligible to get a COVID-19 vaccination.
COVID Variants
Multiple variants of the virus have been documented in the U.S. and globally.
Stay Up to Date with Your Vaccines
Up to date means a person has received all recommended COVID-19 vaccines, including any updated vaccines when eligible.
Antibodies and Immunity
Antibody tests may determine if someone had COVID-19, but immunity is uncertain.