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Is poliomyelitis still a problem in the United States?

April 26, 2017poliomyelitis problem united states

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Is poliomyelitis still a problem in the United States?

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The last case of wild poliovirus infection acquired in the United States was in 1979. Except for an occasional importation, all cases of paralytic poliomyelitis since 1979 have been caused by live oral polio vaccine.