From the Centers for Disease Control and Prevention. Progress toward poliomyelitis eradication--Pakistan, 1994-1998.
D006801:Humans; D017589:Immunization Programs; D010154:Pakistan / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination / Q000706:statistics & numerical data