A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms ...

Senators who want to take the traditional swearing-in photo with Vice President Kamala Harris will be required to provide a negative COVID-19 test ahead of time.

If you test negative for Covid-19 but still have symptoms that appear to be Covid-related, CNN medical analyst Dr. Leana Wen explains what your symptoms could mean and what you should do next.

(Photo Credit: iStock/Getty Images) The antibody test, also known as a serology test, isn’t checking for the virus itself. Instead, it ... Negative COVID-19 antibody test.

Antigen tests have a higher chance that you could test negative but have COVID-19 (a false negative). How do they work? If a doctor has not ordered an at-home test for you, you can go to the test ...

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you ...

For instance, if you have COVID but don't have any symptoms, an antigen test might give you a negative result. This is called a "false negative." Molecular tests are more accurate, but they take ...

Biden tweeted a photo of his negative Covid-19 test on Wednesday morning and wrote, “Back to the Oval. Thanks to Doc for the good care, and to all of you for your support.” ...

But even with his latest test results, Biden is still at risk of Post-Acute Sequelae of SARS CoV-2 infection, commonly known as long Covid, which the Centers for Disease Control and Prevention has ...

Covering COVID-19 is a daily Poynter briefing of story ideas about the coronavirus and other timely topics for journalists, written by senior faculty Al Tompkins. Sign up here to have it delivered ...

A negative COVID antigen test — whew. (Photo by David Allen, Inland Valley Daily Bulletin/SCNG) By David Allen | [email protected] | Inland Valley Daily Bulletin ...

A COVID lab owner pleaded guilty to a scheme where fake negative results were delivered when tests hadn’t been run, federal officials said. Getty Images/iStockphoto A COVID testing lab in ...