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

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 ...

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 ...

An avian flu outbreak at California's Año Nuevo State Park is spreading across the Central Coast, infecting elephant seals, a ...

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

Multiple elephant seal pups along the Northern California coast have tested positive for the deadly avian influenza, or bird ...

Norovirus is ripping across Northern California as dozens are falling sick with horrific symptoms. The “extremely contagious” virus is sweeping over western San Francisco, Marin, Novato, Palo Alto, ...

Researchers are on high alert monitoring the local Piedras Blancas elephant seal rookery — though there is good news.