News of the WeekEpidemiology

Minnesota Polio Case Stumps Experts

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Science  14 Oct 2005:
Vol. 310, Issue 5746, pp. 213
DOI: 10.1126/science.310.5746.213a

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Summary

Public health experts are mystified about how an unusual strain of poliovirus infected an infant in rural Minnesota--smack in the middle of a country that has been free of wild poliovirus since 1979.