A recent study posted on the medRxiv* preprint server has assessed the sensitivity of antigen-based rapid diagnostic tests (Ag-RDTs). Study: Comparison of the analytical and clinical sensitivity of ...

The Food and Drug Administration (FDA) on Tuesday named three unauthorized rapid COVID-19 tests that it says people should not use due to the risk of false results. The FDA instructed people to not ...

(KERO) — The U.S. Food and Drug Administration issued a "do not use' warning for three at-home rapid COVID-19 tests because the tests are not authorized, cleared or approved for use in the U.S. The ...

A new study updates the state of knowledge about antigen rapid diagnostic tests (Ag-RDT) in the diagnosis of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome ...

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

Add Yahoo as a preferred source to see more of our stories on Google. Depending on the brand you've purchased or received, there's a chance you may be able to use an "expired" test without risking an ...

To quickly confirm an asymptomatic case of COVID-19, a second rapid test within an hour of a positive result can boost the accuracy of the result from 38 percent to 92 percent, according to a new ...