Medically reviewed by Jordana Haber Hazan, MD Two types of COVID-19 tests, the rapid antigen test and the polymerase chain ...

the antigen tests. They look for a protein fragment of the coronavirus, and they give you the results in 15 minutes. They're not as accurate as the PCR test, and you do need to have adequate viral ...

Reverse transcriptase-PCR is the gold standard ... times for results in optimal circumstances are ≥2 h. Rapid antigen-based testing has been widely adopted in diagnostic laboratories for ...