A whole host of winter respiratory viruses is circulating in the first weeks of 2024 — which means you probably know several people who are sick right now. And for a fourth January running, we still ...

You wake up with a scratchy throat, runny nose, and persistent cough, but your at-home COVID-19 test reads negative. How is this possible? The short answer is yes—you can still be infected. Many other ...

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

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