In addition to grappling with a brutal heat wave, Northern Californians are now facing another common enemy: norovirus. The ...

Human metapneumovirus, or HMPV, typically spreads during winter and spring.

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against ...

Flu season might be winding down — but don’t stash the tissues just yet. A little-known respiratory virus with no vaccine or treatment has been quietly picking up steam since the start of winter, ...

Flu has overtaken covid in infections and hospitalizations during the winter respiratory virus season, and their virulence is ...

Flu cases are “very high” across much of Idaho, federal health experts say, and another respiratory virus is on the rise as ...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst ...

A rise in human metapneumovirus is causing concern in New Jersey, mimicking cold symptoms but posing risks for infants and seniors. Health experts stress hygiene and staying home when sick.

Bird flu is spreading in across the U.S. this spring, impacting countless birds and raising concerns for farmers. Here's how to protect your animals.