Streamlined polio vaccine fights outbreaks
A vaccine aimed at one strain of poliovirus works better than standard approach
By Nathan Seppa
A simplified vaccine for poliomyelitis might be just what the doctor ordered.
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A pared-down vaccine that was introduced in 2005 is knocking back the poliovirus better than the long-standing vaccine, two studies published in the Oct. 16 New England Journal of Medicine show. The newer vaccine overcomes a curious weakness that has developed in the older version.