Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

There's still a lot of confusion around the best time to take a COVID test and where to get them. Here, experts share their ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. Hyphenación Where conversation and cultura meet. Meredith’s Must-Sees See Senior ...

After last weekend’s Christmas and Hanukkah gatherings, and in preparation for this weekend’s New Year’s Eve bashes, UNC medical experts are stressing the importance of testing for COVID-19 and the ...

The U.S. government is mailing out another round of free COVID tests to households that sign up. Older COVID tests still may be in your cupboard and OK to use, but you must verify the test’s ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

About 60% of healthcare workers participating in an optional rapid antigen testing program at UCLA tested positive at day five, and about 50% were positive at day seven after initially testing ...

New findings demonstrate how the rapid antigen test can be used to triage healthcare workers for returning to work during periods of acute staffing shortages during COVID surges. They also show that a ...

About 60% of healthcare workers participating in an optional rapid antigen testing program at UCLA tested positive at day five, and about 50% were positive at day seven after initially testing ...

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 ...

Polymerase chain reaction (PCR) test kits for COVID-19 use what’s known as gene cloning – not reproductive cloning – to detect the presence or absence of the SARS-CoV-2 virus, but social media posts ...