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 ...

WASHINGTON — One of the quickest ways to know if you have COVID is the rapid tests. If you are positive, a line appears on the test kit. However, you may have noticed that line can be bold or faint.

A timely new study investigated the incidence of false-positive results in a large sample of rapid antigen tests used to serially screen asymptomatic workers throughout Canada. The study, published in ...

The US Food and Drug Administration said Tuesday that quick antigen tests people take at home may be less sensitive to picking up the Omicron variant of the coronavirus, but health officials say ...

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, ...

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 ...

Thea van de Mortel teaches into the graduate Infection Prevention and Control program at Griffith University. With Christmas around the corner and COVID-19 case numbers rising, it’s important to keep ...

Amid the new COVID-19 variant and rise in cases, over-the-counter at-home test kits are in high demand. Now, a new White House initiative will make it easier for many Americans to use them. Doctors ...

SYDNEY, AUSTRALIA - SEPTEMBER 29: In this photo illustration a man uses a COVID-19 rapid antigen test kit at home on September 29, 2021 in Sydney, Australia. Australians will be able to use rapid ...

A coronavirus antigen test has been recalled after officials discovered that it was a counterfeit and not approved by the Food and Drug Administration (FDA) for use in the United States. ACON ...