Progress in certification of poliomyelitis eradication and in laboratory containment of wild poliovirus.
D002568:Certification; D003264:Containment of Biohazards / Q000592:standards*; D019049:Developed Countries; D003906:Developing Countries; D014943:Global Health; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D017955:Poliovirus