Following a National Geographic inquiry, the zoo confirms that four more tigers and three lions have the virus. This comes ...

Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

Yes, the experts agree. If you performed the test correctly, a faint line on a COVID test is still a positive result. "Any ...

As the world continues to navigate the aftermath and lingering presence of COVID-19, one question remains as relevant as ever: Which COVID-19 test is right for me—diagnostic or antibody? Whether ...

Four free home Covid-19 antigen tests are available to order at COVIDTests.gov, part of the seventh round of the federal government’s test-distribution program. And although this round of test orders ...

Q: Is one day isolation sufficient to stop forward transmission of COVID-19? A: People with COVID-19 could potentially transmit it to others well beyond a day after developing symptoms or testing ...

In the rush to get at-home tests on the market, they were released with short shelf lives on their packaging. But some have since been extended.

Nothing puts a damper on your holiday plans like a positive COVID-19 test. But what if that line is super faint? Do you still have COVID-19 —or can you go ahead and attend your office party like you ...

As the holiday season approaches, gatherings among family and friends are expected to increase the risk of respiratory virus ...

SEATTLE -- U.S. researchers gave the first shot to the first person in a test of an experimental coronavirus vaccine Monday -- leading off a worldwide hunt for protection even as the pandemic surges.

The Food and Drug Administration is making it easier for people to simultaneously test themselves for COVID-19 and the flu at home. The agency this week authorized the Healgen Scientific's Rapid Check ...