title: Mass vaccination campaigns to control the 1991-1992 poliomyelitis outbreak.
mesh_terms: D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007223:Infant; D007597:Jordan; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination
chemical_list: D011055:Poliovirus Vaccine, Oral