The human metapneumovirus is reportedly surging in China, but should Americans be concerned? Here's what to know about HMPV symptoms and more.

As cases of the HMPV virus continue to increase in the U.S. and in China, here's what you need to know about the virus.

The pictures emerging are arresting: a hospital waiting room in Beijing, full of masked patients apparently attached to drips; crowds of mask-wearing commuters making their way through the city. If it all seems unnervingly familiar,

Plenty of viruses are having their strongest season for years. But experts have urged calm about HMPV, which is not a new disease — even if you've never heard about it.

While cases are climbing in China, the situation is very different from what it was when Covid-19 emerged five years ago, medical experts say. HMPV has circulated in humans for decades.

A recent increase in cases of the human metapneumovirus (hMPV) in China has been misrepresented on social media as evidence of a new virus spreading in the country with some posts claiming it prompted China to declare a state of emergency.

The increase in cases of this pathogen in China resurrects old fears. Experts include it in the package of known winter viruses. China has done it again. The announcement of an increase in cases of human metapneumovirus (HMPV) has raised alarms,