Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

COLLINSVILLE, Ill. — When you take a COVID-19 test, the studying actually happens at labs like Biovision Diagnostics in Collinsville. The process starts when the specimens are collected offsite and ...

Finding a COVID-19 test has become a real challenge with the spread of the omicron variant. But there is also confusion over which test people should be getting, which is a PCR or antigen? “The two ...

Recall, if you dare, life in December 2020. America had just approved Covid-19 vaccines for use, but most of us wouldn’t get a shot for months. Instead, amid the second surge of coronavirus cases, ...

Editor's Note: This is an excerpt from a special coronavirus edition of WBUR's morning newsletter, WBUR Today. You can get regular weekday updates about the latest coronavirus surge and other news ...

SYRACUSE, N.Y. — A recent spike in COVID-19 cases comes as more people are relying on at-home COVID-19 test kits. While they do play a role in the fight against the virus, public health experts say ...

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

As SARS-C0V-2 variants emerged, researchers developed a PCR test that uses molecular beacons not only to diagnose COVID-19 infection, but also to identify the specific variant causing that infection.

There are currently two options for at-home flu testing. Here's what you need to know. (Photo illustration: Yahoo News; photos: Getty Images) Many Americans have become accustomed to swabbing their ...

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...

RSV is short for respiratory syncytial virus. It’s a virus that can cause respiratory infections in your lungs, nose, and throat. It’s best to test for RSV soon after your symptoms start. That’s ...