The attention being paid to a Chinese outbreak of a virus often confused with flu is a sign that respiratory infection tracking is improving.

As of January 2025, in both the U.S. and China, an increasing concern has developed over human metapneumovirus (HMPV). Notable upticks in reports have been detected.

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

Human metapneumovirus (HMPV) cases are surging in China and people are worried about another pandemic. Should they be? HMPV is a upper respiratory tract

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Here’s what to know about the human metapneumovirus.

The illness is "typically mild", said The Independent, but it can lead to "severe complications such as pneumonia, particularly in infants, the elderly, and those with weakened immune systems".

HMPV is a virus that will lead to a mild upper respiratory tract infection—practically indistinguishable from flu