A little-known respiratory virus with no vaccine or specific treatment to combat it is surfacing in parts of the US, including California and New Jersey. Human metapneumovirus can infect both the ...

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 (HMPV) have been steadily rising since winter began, ...

The virus can cause respiratory illness in people of all ages, especially young children, older adults and the immunocompromised.

A highly contagious respiratory virus, HMPV, is spreading on the West Coast and beyond. Experts warn of symptoms, severe ...

Human metapneumovirus, a little-known respiratory virus, is circulating in Northern California as flu and COVID cases decline.

It's not just the flu spreading around the U.S.

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