The Two Polio Vaccines

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=X8tkOMwUk9c

Polio can’t be cured, but it can be prevented. Two important tools help to prevent polio – two safe, effective vaccines. Find out about the oral polio vaccin...

polio, vaccination, vaccines, polio vaccines, polio eradication, eradication, World Health Organization, GPEI
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