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 ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with symptoms asking: Is it allergies or a cold? COVID? Something else? Since ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. Bay Area-raised host Ericka Cruz Guevarra brings you context and analysis to ...

"I would still say that distancing and outdoor air are your best friends," one leading public health expert told Insider.