hMPV is a respiratory virus that causes cold-like symptoms , such as sore throat, fever, cough, and nasal congestion. Learn about the 10 signs of hMPV infection, how to prevent it, and when to seek medical attention for complications like pneumonia or bronchitis. Human metapneumovirus is a common cause of upper respiratory infections among infants and children under 5 years old. While anyone can catch hMPV , infants, older adults, and those with health conditions like immunosuppression, chronic obstructive pulmonary disease (COPD) and asthma are at higher risk for severe illness. HMPV is a respiratory virus that can cause mild to severe infections, especially in young children and older adults. Learn about its characteristics, transmission, diagnosis, treatment, and prevention tips from Apollo Hospitals. Human Metapneumovirus ( HMPV ) is a respiratory virus that can cause a range of illnesses, from mild cold-like symptoms to more serious conditions such as pneumonia and bronchiolitis, particularly in young children, the elderly, and those with weakened immune systems.