https://www.medicaldevice-network.com/comment/covid-19-rapid-antigen-tests/

Rapid antigen tests have seen a large uptick in popularity due to their simplicity and convenience. With a rapid test, you can get your results within minutes and administer the test yourself in the comfort of your home. This type of test works by testing for viral protein, which differs from a PCR test that looks for viral genome DNA. While there is a difference, they are accurate and effective.