Nigeria Has To Wipe Out Polio — Again
Last year the country was declared polio-free. Now there are 3 new cases. And Boko Haram militants are the biggest obstacle to getting rid of the virus.
Read more on NPR
Children's Health
September 14, 2016 at 03:49PM
Thứ Tư, 14 tháng 9, 2016
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