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Human metapneumovirus in paediatric patients
N Principi1, S Bosis, S Esposito
1Institute of Pediatrics, University of Milan, Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Milan, Italy. Nicola.Principi@unimi.it
Summary
Human metapneumovirus (hMPV) is a newly discovered virus causing respiratory infections globally in children. Further research is needed to understand its full impact and develop effective treatments.
Area of Science:
- Virology
- Pediatrics
- Public Health
Background:
- Acute respiratory tract infections (ARTIs) are a major cause of childhood illness and death globally.
- The etiology of many ARTIs remains unknown.
- Human metapneumovirus (hMPV) was identified in 2001 and has since been detected worldwide.
Purpose of the Study:
- To review the discovery and global prevalence of hMPV.
- To discuss the clinical and epidemiological characteristics of hMPV infections.
- To highlight the public health significance and areas for future research.
Main Methods:
- Literature review of studies reporting hMPV discovery and associated ARTIs.
- Analysis of hMPV incidence rates and geographical distribution.
- Comparison of hMPV with other respiratory viruses like RSV and influenza.
Main Results:
- hMPV is a ubiquitous virus with a worldwide distribution, detected in individuals of all ages.
- It is a significant cause of pediatric upper and lower respiratory tract infections, with incidence ranging from 1.5% to 25%.
- hMPV shares similarities with RSV and influenza but has distinct epidemiological and clinical features.
Conclusions:
- hMPV is a substantial public health concern, particularly for children, with considerable socio-economic impact.
- It may pose a higher risk to preterm infants and children with underlying conditions.
- Further research is essential to address knowledge gaps in hMPV pathogenesis, immune response, diagnosis, treatment, and prevention.