SAN FRANCISCO -- The recent outbreak of the omicron variant has many people running for the store for an over-the-counter rapid test. But simply taking the test once isn't enough to tell you if you ...

Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

Doctors sometimes use tests for respiratory syncytial virus (RSV) to make or confirm a diagnosis. Here’s a look at the different kinds. There are two main kinds of RSV tests: rapid (antigen) and ...

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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 ...