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Overview- Human metapneumovirus (HMPV) can cause upper and lower respiratory disease in people of all ages, especially among young children, older adults, and people with weakened immune systems. Discovered in 2001, HMPV is in the Pneumoviridae family along with respiratory syncytial virus (RSV).

Symptoms- Commonly associated with HMPV include cough, fever, nasal congestion, and shortness of breath. Clinical symptoms of HMPV infection may progress to bronchitis or pneumonia and are similar to other viruses that cause upper and lower respiratory infections. The estimated incubation period is 3 to 6 days, and the median duration of illness can vary depending upon severity but is similar to other respiratory infections caused by viruses.

Transmission- HMPV is most likely spread from an infected person to others through

• secretions from coughing and sneezing
• close personal contact, such as touching or shaking hands
• touching objects or surfaces that have the viruses on them then touching the mouth, nose, or eyes

Prevention- Patients who have cold-like symptoms should

• cover their mouth and nose when coughing and sneezing
• wash their hands frequently and correctly (with soap and water for at least 20 seconds)
• avoid sharing their cups and eating utensils with others
• stay at home when they are sick

Treatment- Currently, there is no specific antiviral therapy to treat HMPV and no vaccine to prevent HMPV. Medical care is supportive.