Environmental testing came back negative for asbestos for the Pittsburgh Traffic Division Building in the Strip District.

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

Have you or your children recently experienced a spate of symptoms you were sure indicated Covid-19, only to test negative? You aren’t alone, and some families are wondering if perhaps a new variant ...

Experts are monitoring increases in COVID-19 cases in the U.S. driven by new, highly infectious variants. So take a moment to make sure you how and when to use at-home COVID tests to help you stay ...

Receiving a non-reactive HIV test result brings immense relief for most people, but understanding what this outcome truly means requires more than a simple celebration. While a negative result ...

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

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – You’ve got the sore throat, ...

Kayleigh McEnany tested negative for COVID-19 last Thursday. She tested negative again on Friday. And on Saturday. And also on Sunday. But she wasn’t negative on Monday. And that presents a quandary ...

Home pregnancy tests are miraculous little tools: They deliver fast results, are pretty simple to use, and can cost as little as a dollar. But they're not without their quirks – including the ...

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 ...

A family member tests positive for COVID-19. The rest of the household develops classic symptoms of infection, but several rounds of testing result in negative results. It’s a scenario that’s become ...

(NEXSTAR) – You’ve got the sore throat, runny nose and cough — or any of the other common COVID-19 symptoms right now — but when you swab your nose and take a test, it comes out negative. Is there a ...