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Highlights the critical need for strengthened surveillance and increased vaccination coverage following a rare recurrence of paralytic polio in a non-endemic country.
Following the confirmation on July 21, 2022, of a case of poliomyelitis related to circulating vaccine-derived poliovirus (cVDPV) type 2 in an unvaccinated adult from Rockland County, NY, USA,1 there has been a renewed global drive to strengthen surveillance for the detection of cases and increase vaccination coverage against polio. This is the first known case of polio with paralysis in nearly a decade in the USA, a country that no longer administers the oral polio vaccine, which suggests that the virus could have been imported.
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Mercader et al. (2022) studied this question.
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