title: Murder of nine polio workers in Nigeria threatens eradication efforts.
authors: Sophie
authors: S
authors: Arie
mesh_terms: D060740:Disease Eradication / Q000379:methods*; D006282:Health Personnel; D006708:Homicide; D006801:Humans; D009549:Nigeria; D011051:Poliomyelitis / Q000517:prevention & control*; D023321:Poliovirus Vaccines / Q000008:administration & dosage*; D014754:Violence
chemical_list: D023321:Poliovirus Vaccines