10 facts on polio eradication 99% reduction in polio incidence 10 facts on polio eradication polio 10 facts on polio eradication http://www.who.int/features/factfiles/polio/en/ 10 facts on polio eradication has been reduced by 99% worldwide 10 facts on polio eradication http://www.who.int/features/factfiles/polio/en/ 10 facts on polio eradication 99 percent eradicated polio. polio eradication 99 percent 10 facts on polio eradication 99% eradicated, 10 facts on polio eradication largest 10 facts on polio eradication 10 facts on polio eradication http://www.who.int/features/factfiles/polio/en/ 10 facts on polio eradication 10 facts on polio eradication massive, worldwide vaccination campaign against polio 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication reduced by 99% 10 facts on polio eradication polio case numbers have decreased by more than 99% 10 facts on polio eradication http://www.who.int/features/factfiles/polio/en/ campaign to eradicate Polio 10 facts on polio eradication http://www.who.int/features/factfiles/polio/en/ 10 facts on polio eradication WHO: 10 POLIO FACTS polio 99 percent אתר ארגון הבריאות העולמי 10 facts on polio eradication 16 million http://www.who.int/features/factfiles/polio/en/ 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication 10 facts on polio eradication polio eradication 10 facts on polio eradication 10 facts on polio eradication Pakistan, Afghanistan and Nigeria 99% of the world two of the three naturally occurring wild polioviruses have dropped 99% WHO 10 facts on polio eradication polio eradication 10 facts on polio eradication