What is a Covid Test?
There are different types of COVID-19 tests-diagnostic tests
Diagnostic tests can show if you currently are infected with SARS-CoV-2, the virus that causes COVID-19. There are two common types of COVID-19 diagnostic tests:
Antigen tests, often referred to as rapid tests or, for some, at-home or self tests, which detect proteins called antigens from the virus
how does it work?