Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

As of May 2022, the U.S. is experiencing another uptick in the number of COVID-19 cases. High rates of infection in Europe and Asia, along with the continued emergence of new sub-variants, such as ...

At-home rapid tests have proven to be a powerful weapon in the country's battle against the coronavirus and its latest variants, but the surge of the omicron variant has left U.S. consumers to contend ...

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 ...

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 ...

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, ...

WORCESTER – Anyone who gets a negative result for COVID-19 from an at-home rapid antigen test shouldn't assume they're not infected, and should keep testing, according to a safety recommendation ...

HOUSTON, Nov. 26, 2025 /PRNewswire/ -- As the holiday season approaches, gatherings among family and friends are expected to increase the risk of respiratory virus transmission, including COVID-19 and ...

In a recent study posted to the medRxiv* preprint server, researchers developed a high-throughput, rapid antigen severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein detection ...

The CLINITEST Rapid COVID-19 Antigen Self-Test has received FDA EUA for unsupervised self-testing for the SARS-CoV-2 virus by individuals age 14 and older (or adult-collected samples from individuals ...