Τετάρτη 4 Ιουνίου 2014

Race Against Time to Prevent Deadly Spread of Polio (Op-Ed)

What has happened to reverse the eradication efforts? The simple answer is that too few children are receiving polio vaccination. A full answer is, of course, more complex.



via LiveScience.com http://ift.tt/1ncxp5R

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