It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just a faint line, does that mean you're actually positive for COVID? I know ...

I promise I’m going to give COVID-19 and flu topics a rest soon — just as soon as those viruses leave me alone. Not long ago, I was feeling rundown and had post-nasal drip, a sore throat and a ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...