Just how useful is a second try when it comes to rapid COVID-19 antigen tests? Very much so, a new workplace study finds. Investigators offered repeat antigen tests to employees participating in a ...

People with diabetes have been urged to take extra caution during the COVID-19 pandemic. If you have diabetes, you’ve likely heard that COVID-19 is generally considered to be more dangerous for people ...

A study led by Osaka University recently found that the sensitivity of rapid antigen tests (RATs) for the Omicron variant of COVID-19 when compared with polymerase chain reaction (PCR) tests was 0.63 ...

In a recent study posted to the Research Square* preprint server and under consideration at a Nature Portfolio Journal, researchers raised concerns that some severe acute respiratory syndrome ...

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 ...