Updated Apr. 20, 2022
COVID-19 rapid antigen tests are very popular for detecting COVID-19. Although these at-home tests are less accurate than PCR tests during very early stages of the virus, or when recovering from infection, they are convenient. These rapid tests can be used at home or at school and give results in 15 to 20 minutes.
Below, UC Davis Health experts share what you need to know about COVID-19 rapid antigen tests.