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 ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

NEW YORK -- Should you take your COVID tests by swabbing your throat instead of your nostril? ABC's Chief Medical Correspondent Dr. Jen Ashton says it really depends on the test. Dr. Ashton joined ...

A Facebook user claimed that Minute Maid Peach Punch tested positive for COVID-19 on a rapid test. The test appeared to display positive results, but that doesn’t mean the test detected the virus.

It was 6:30 p.m. when I got the call. I was slicing away — must have been my eighth or ninth side of Nova. Llewellyn told me that she was sick, she had fever, and she thought she might have COVID. The ...

If you stocked up on at-home Covid-19 rapid antigen testing kits during one of the Omicron-variant surges, you could be in for a surprise when you bust them out for a pre-holiday test: an expiration ...