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Polio cases reach record low in 2012

The number of polio cases worldwide reached a record low in 2012, giving experts confidence that the disease can finally be eradicated, according to presentations made at a major US conference.

Just 177 cases were recorded globally through October 2012, down from 502 during the same period last year, said virologists attending the annual meeting of the American Society of Tropical Medicine and Hygiene in Atlanta on Tuesday. But the experts said challenges in the fight against polio remain, citing a doubling this year of the number of cases in Nigeria, and persistent difficulties in Pakistan.

Pakistan, Nigeria and Afghanistan are the only countries where polio remains endemic. Experts are trying to eliminate polio from those places, making it only the second disease after smallpox to be completely eradicated.
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