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 ...

So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

NAAT tests, including PCR tests, are more likely to detect the virus, and are considered the “gold standard” for COVID-19 tests. Samples are usually taken in a health-care setting and sent to a lab ...

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.

You don't need a prescription to purchase a test that will tell you whether you're sick with COVID or the flu. Jessica was a writer on the Wellness team, with a focus on health technology, eye care, ...

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 ...

Starting Monday, American households can now apply to receive four free at-home COVID-19 tests from the U.S. government, though they might appear to be expired. Once again, the U.S. government is ...

The federal government may destroy its remaining supply of COVID-19 tests. The US government has been helping people detect COVID-19 at home for several years with free COVID test kits delivered by ...

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 ...

Here's what you need to know about the new travel rules. All travelers flying into the U.S. must now provide proof of a negative COVID-19 test, taken no more than three days before their flight, or ...

Tis the season for sniffling, coughing and calling out of work. Here's what to know about the pathogens circulating in the ...