Polio's last stand.
Ewen
E
Callaway
D002675:Child, Preschool; D060740:Disease Eradication / Q000191:economics / Q000706:statistics & numerical data*; D014943:Global Health / Q000706:statistics & numerical data*; D006801:Humans; D007391:International Cooperation; D011051:Poliomyelitis / Q000191:economics / Q000453:epidemiology* / Q000517:prevention & control*; D023321:Poliovirus Vaccines / Q000191:economics / Q000600:supply & distribution; D014611:Vaccination / Q000191:economics / Q000706:statistics & numerical data
D023321:Poliovirus Vaccines