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

California public health officials cautioned more children are testing positive for the flu this season. Here are flu symptoms to watch for.

Every winter, like clockwork, respiratory viruses spread across the country: respiratory syncytial virus, commonly known as ...

Scientists estimate more than 60 marine mammals may have been infected by the virus.

A terrifying outbreak of highly pathogenic avian influenza (HPAI) is ripping through California’s Bay Area, leaving a trail ...

Researchers say seven seal pups have tested positive for an avian flu virus at California’s Año Nuevo State Park and several more are showing signs of the illness. The outbreak has prompted park ...