Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Ducharme is a contributor to TIME. A medical worker performs a COVID-19 test at a screening center in Saint-Denis, France, on Nov. 4, 2020. Ducharme is a contributor to TIME. If you had COVID-19 ...

Add Yahoo as a preferred source to see more of our stories on Google. As the federal health emergency ended May 11 and COVID numbers are on the rise, here’s how you can still access tests, at-home and ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation.

Researchers have built an RT-PCR platform that gives results in 23 minutes that match the longer laboratory-based tests -- faster than other PCR tests on the market. It can be adapted to test for a ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...