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Human metapneumovirus (HMPV): Symptoms and prevention

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Human metapneumovirus, also called HMPV, is a virus that can infect the nose, throat and lungs, which are part of the respiratory system.

An HMPV infection can make you feel like you have a cold. It may cause illnesses such as croup or pneumonia. Most people get better quickly. But for some, HMPV can cause serious illness.

People who have a weakened immune system or other medical conditions, or who are very young or old, are more likely to get seriously sick from HMPV.