title: Increased incidence of poliomyelitis.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D006113:United Kingdom; D014611:Vaccination