Since 1988, Rotary has led an international campaign to eradicate polio through a massive vaccination effort within the developing world.
Go simolola ka 1980, puso ya Soviet Union e ne ya atlega mo go nneng le thulaganyo ya go dira selekanyo se sentsi sa bolwetse jwa sekgwaripana le go bo anamisa mo dikontinenteng tse dingwe ka go dirisa dimmisaele.