Antibody Test for COVID-19

Two kinds of tests are available for COVID-19: viral tests and antibody tests. An antibody test may tell you if you had a past infection with the virus that causes COVID-19. Whether you test positive or negative, always take steps to protect yourself and others.

This video can also be viewed at
https://www.cdc.gov/coronavirus/2019-ncov/videos/antibody-test/Lab-Antibody-Test-COVID-19.mp4