Respiratory syncytial virus infection and the risk of serious bacterial infections.
D001424:Bacterial Infections / Q000453:epidemiology*; D001988:Bronchiolitis / Q000453:epidemiology; D002648:Child; D015897:Comorbidity; D006801:Humans; D007223:Infant; D018357:Respiratory Syncytial Virus Infections / Q000453:epidemiology*