title: Human metapneumovirus and lower respiratory tract disease in children.
authors.forename: Nicola
authors.initials: N
authors.lastname: Principi
authors.forename: Susanna
authors.initials: S
authors.lastname: Esposito
authors.forename: Samantha
authors.initials: S
authors.lastname: Bosis
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology; D007558:Italy / Q000453:epidemiology; D029121:Metapneumovirus / Q000302:isolation & purification*; D018184:Paramyxoviridae Infections / Q000453:epidemiology*; D015995:Prevalence; D018357:Respiratory Syncytial Virus Infections / Q000453:epidemiology; D012141:Respiratory Tract Infections / Q000821:virology*; D012959:Socioeconomic Factors