Vocal patient advocates and researchers argue that certain drugs could help long COVID sufferers via off-label use. Some have ...

Long COVID appears to be driven by "long infections." Here’s what the science says about this lingering problem.

Experts discuss what it might mean if you get a faint line on a home COVID-19 test, when to take another test and what ...

The recent appearance of the H5N1 bird flu in pigs does raise viral reassortment concerns. Here's what we know about this ...

A technology developed by Hong Kong that uses sewage monitoring to detect Covid-19 could be deployed to track other diseases ...

Idaho, New Mexico and South Dakota all had "very high" levels of the SARS-CoV-2 virus present in their wastewater.

Health officials have advised people to get the updated COVID-19 vaccine ahead of the holidays — at least two weeks before.

(Antibiotics do not treat viruses because they work by killing bacteria.) Here's what to know about flu and COVID symptoms, as well as some clues to look for regarding whether you're sick with a ...

Viruses are always mutating and taking on new forms, and thousands of variants of the coronavirus have been ... This variant was first detected in Maharashtra, India, in October and contributed ...

The flu, COVID-19, and RSV are respiratory infections that may have similar symptoms, including fever, cough, and shortness ...

COVID is still circulating but Canadians' intentions ... “If you’ve been infected a month ago, I’d say your booster isn’t going to do much for you. But if you were infected six months ...