The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

Finding a COVID-19 test has become a real challenge with the spread of the omicron variant. But there is also confusion over which test people should be getting, which is a PCR or antigen? Stream San ...

Free COVID-19 test kits are available to American households via the United States Postal Service. People can expect to see different testing brands arrive in their mail. The Biden administration ...

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 ...

As holiday celebrations approach, many families are seeking COVID-19 tests to protect their loved ones from the virus. Though people aren’t sure which test they should take, as PhysicianOne Urgent ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...

NAAT tests, including PCR tests, are more likely to detect the virus, and are considered the “gold standard” for COVID-19 ...

A new study adds to evidence that common rapid tests may fail to detect some Omicron cases in the first days of infection. By Emily Anthes and Christina Jewett A small, new real-world study suggests ...

Throughout the U.S., many have noticed it's pretty hard right now to get your hands on those over-the-counter rapid COVID tests. But the Biden administration is hoping to offer some relief. Today, it ...