As the holiday season approaches, gatherings among family and friends are expected to increase the risk of respiratory virus ...

You swabbed the inside of your nose and performed the at-home rapid antigen test for COVID-19 and thankfully, it was negative. Hold on. Do the test again, says the U.S. Food and Drug Administration, ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

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, ...

The Food and Drug Administration (FDA) has cleared ACON Laboratories’ Flowflex COVID-19 Antigen Home Test, the first over-the-counter (OTC) antigen test. Previously, the test was authorized for ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Experts discuss what it might mean if you get a faint line on a home COVID-19 test, when to take another test and what ...

The warning is for the “Flowflex SARS-CoV-2 Antigen Rapid Test (Self-Testing)” from ACON Laboratories. The test comes in a dark blue box with white lettering and symbols in the lower right corner of ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...

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 ...

A health worker shows a negative COVID-19 antigen test result at a community medical center in Sao Paulo, Brazil, Friday, Jan. 7, 2022. (AP Photo/Andre Penner) (Andre ...