At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

For most people, having an at-home COVID test or two handy is just a normal part of life these days. But, if you happen to take a test and get a positive you weren’t expecting, it’s more than ...

After two years of successfully evading getting COVID-19 — including a few brushes with close contacts, a couple of are-they-just-colds? scares and lots of negative tests — I recently tested positive.

More people are receiving multiple negative COVID tests before finally testing positive following exposure or symptoms with newer subvariants circulating, Chicago's top doctor said Thursday. The ...

President Biden tested positive for COVID-19 in a "rebound" case on Saturday, according to the White House. "As described last week, acknowledging the potential for so-called ‘rebound’ COVID ...

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) diagnosis is important for patients and public health to assess the levels of virus and infection risk. Due to the high need for SARS-CoV-2 ...

Former President Barack Obama tested positive for COVID-19 on Sunday. In a tweet, Obama said he’d suffered from “a scratchy throat for a couple days, but am feeling fine otherwise.” Obama and the ...

First lady Dr. Jill Biden has tested positive for a rebound case of Covid-19, her deputy communications director Kelsey Donohue confirmed to CNN. Biden, who is currently in Rehoboth Beach, Delaware, ...