More than four years since the coronavirus ignited a global pandemic, the virus officially named SARS-CoV-2 keeps evolving — and so does our understanding of how it works. Some of our early ...

So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

When I talk to immunologist Paul Morgan, he’s on the hunt for potentially life-altering drugs. He’s got a call with a pharmaceutical company planned in the next half hour. His goal: persuade the ...

It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just a faint line, does that mean you're actually positive for COVID? I know ...

Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

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 ...

You don't need a prescription to purchase a test that will tell you whether you're sick with COVID or the flu. Jessica was a writer on the Wellness team, with a focus on health technology, eye care, ...

As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what this year's cold, flu and coronavirus season will look like, experts want ...

Next week marks five years since COVID-19 was declared a pandemic. Many people still live with the lasting consequences of catching the virus, also known as long COVID. NPR health correspondent Will ...