A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...

As flu cases rise across the country, here is everything to know about testing yourself for the illness at home.

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 ...

If you take a COVID test and it comes back negative, that may not mean you're in the clear just yet. For those feeling ill, particularly those who had a known COVID exposure, experts caution that one ...

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 ...

They can result in false negatives, but they remain a valuable tool in stopping the spread of Covid-19. Here’s how to use them most effectively. By Dana G. Smith We’ve all heard the anecdotes: Your ...