For the first time since 1994, the polio virus has been detected in Brazil, the World Health Organization said Monday. [Category: Viruses, Poliomyelitis, Brazil, World Health Organization] http://rss.nytimes.com/c/34625/f/640346/s/3bce96ed/sc/24/l/0L0Snytimes0N0C20A140C0A60C240Cworld0Camericas0Cbrazil0Epolio0Evirus0Edetected0Ein0Esewage0Bhtml0Dpartner0Frss0Gemc0Frss/story01.htm
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