title: Viruses and disease. II. An outbreak of parainfluenza Type 2 in a children's home.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006801:Humans; D009500:Neutralization Tests; D009976:Orthomyxoviridae Infections / Q000453:epidemiology*; D018184:Paramyxoviridae Infections / Q000453:epidemiology; D012141:Respiratory Tract Infections / Q000453:epidemiology*