There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Detecting SARS-CoV-2, the virus that causes Covid-19, improves with regularity of testing, whether using rapid antigen tests or PCR molecular tests. The PCR test is considered the gold standard for ...

Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

Point-of-care (POC) SARS-CoV-2 tests, which can deliver results in a matter of minutes, could mark a shift away from traditional clinical diagnostic lab tests that take days to POC tests that can be ...