Respiratory syncytial virus (RSV) has not been widely studied in the outpatient, adult setting, as symptoms have been similar ...

There’s a virus you may have never heard of before that is estimated to infect up to 90 percent of people and lurks quietly ...

A rise in human metapneumovirus is causing concern in New Jersey, mimicking cold symptoms but posing risks for infants and ...

The Chikungunya virus is spread by infected mosquitoes and causes symptoms like fever and severe joint pain. There is no specific medicine to treat the virus, and the best way to prevent it is by ...

Cases of human metapneumovirus have been rising since fall 2025, with the CDC reporting the virus made up 5% of positive ...

Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

Cases of a specific respiratory virus are spiking in several states across the U.S. right now. In California, concentrations ...

A little-known virus that causes nasty flu-like symptoms is spreading in California — and it doesn’t have a vaccine. Cases of ...

Adults who get sick with the seasonal virus RSV have a higher risk of serious cardiovascular complications, making vaccination especially protective. For adults 45 and older, RSV raises the risk of ...

If you live in the United States, odds are high that a tiny passenger rides in your blood. By adulthood, more than 94 percent of people carry Epstein-Barr virus, or EBV, a germ that often spreads ...

Two people have died following an outbreak of meningitis in Kent. An 18-year-old pupil at Queen Elizabeth's Grammar School in ...