Echo 30 outbreak, 1983-4.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D004457:Echovirus Infections / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008587:Meningitis, Viral / Q000453:epidemiology*; D009520:New Zealand