title: Poliomyelitis in North America: the disease is not dead yet.
authors: Department of Microbiology, Dalhousie University, Halifax.
authors: E G
authors: EG
authors: Morrison
authors: J A
authors: JA
authors: Embil
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004196:Disease Outbreaks; D005387:Finland; D006801:Humans; D009656:North America; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D014611:Vaccination