title: Echovirus type 19 outbreak in Northern Ireland during 1974-75.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004457:Echovirus Infections / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008587:Meningitis, Viral / Q000453:epidemiology*; D009660:Northern Ireland