Though they’re not perfect, at-home tests will detect infections about 80% of the time, according to the U.S. Food and Drug ...

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 ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen ...

The test requires a certain amount of viral material to be captured by a nasal swab or saliva samples. PCR, or polymerase chain reaction, technology is the most accurate way to test for SARS-CoV-2. It ...