COVID-19 is the illness that’s caused by the novel coronavirus, SARS-CoV-2. While COVID-19 is mild to moderate most of the time, it can also cause severe illness. There are a variety of tests that can ...

Antigen tests are one type of rapid test that may help diagnose COVID-19. Some rapid tests can provide results in 15 minutes. But, they may not be as accurate as other types of tests, such as a PCR ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

The best type of COVID-19 test to take depends on why you’re getting tested. Some tests are best for diagnosing current COVID-19 infections while others can identify past infections. Others are better ...