Respiratory syncytial virus infection in children in West Bengal.
D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012424:Rural Population; D012621:Seasons; D014505:Urban Population; D014777:Virus Diseases / Q000453:epidemiology*