Leads from the MMWR. Poliomyelitis--Finland.
D000293:Adolescent; D000328:Adult; D002648:Child; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D011051:Poliomyelitis / Q000453:epidemiology*; D011247:Pregnancy