Polio has resurfaced in the U.S. What’s the risk? - The Mercury News

“If you’ve been vaccinated you’ll be protected, you have nothing to worry about,” said Dr. Lee Riley, who chairs infectious diseases and vaccinology department at the Univer…

Vaccines helped neutralize the global threat of polio, a dreaded scourge that can cause paralysis and death, but that life-saving drug may have led unintentionally to the virus’ reappearance this yea… [+5594 chars]

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