A young boy receives an oral polio vaccine in Port-au-Prince, Haiti. The incidence of polio has been reduced by more than 99 percent over the past three decades. [Kendra Helmer, USAID]

Friday, April 22, 2016

Pertinent regions

A young boy receives an oral polio vaccine in Port-au-Prince, Haiti. The incidence of polio has been reduced by more than 99 percent over the past three decades. [Kendra Helmer, USAID]

USAID Photo
Photographer:
Unknown

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