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 ...

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 ...

If it feels like everyone is getting the flu, you're not imagining it. This is shaping up to be another severe flu season. That's why it's important to take advantage of every tool we have to keep the ...