A child in Kawo Kano, Nigeria, receives a polio vaccine. Nigeria celebrates its first year with no new case of polio.
A child in Kawo Kano, Nigeria, receives a polio vaccine. Nigeria celebrates its first year with no new case of polio. Sunday Alamba 2014 AP FILE PHOTO
A child in Kawo Kano, Nigeria, receives a polio vaccine. Nigeria celebrates its first year with no new case of polio. Sunday Alamba 2014 AP FILE PHOTO

Polio lives on – but just barely

August 03, 2015 05:38 PM

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