Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results