Explainer: What to know about China's HMPV case surges

HMPV: What to know about China's human metapneumovirus cases Pictures from China, where cases of the virus are surging, have people worried on social media. BBC News

...HMPV is not like Covid-19, public health experts have said, noting that the virus has been around for decades, with almost every child being infected by their fifth birthday.

However, in some very young children and people with weakened immune systems, it can cause more serious illness. Here is what you need to know. ...