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 tests detect COVID-19 and flu strains A and B. They use a nose swab and a solution mix, which you drop into the test tube ...

The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

Over-the-counter multiplex tests for more than one illness may soon come to a pharmacy near you. Paco Burgada/iStock via Getty Images A scratchy, sore throat, a relentless fever, a pounding head and a ...

No, you didn’t set your clocks too far back for the end of daylight saving time. This week, the FDA granted its first full, bona fide clearance to an over-the-counter home antigen test for COVID-19, ...

2025 update: This federal program has ended and free tests are not current available from the government website. Federal health officials have justified the millions they have spent on device ...

WHO prequalifies the first two rapid antigen detection tests for Covid-19: Geneva Saturday, December 27, 2025, 11:00 Hrs [IST] The World Health Organization (WHO) announced the pr ...

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 ...

The U.S. Food and Drug Administration is warning people to stop using two COVID-19 tests produced by LuSys Laboratories, citing a high risk of false results when using the tests. The LuSys ...