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23 Jun 2014 description

On 18 June 2014, the National IHR Focal Point for Brazil reported the isolation of wild poliovirus type 1 (WPV1) from sewage samples collected in March 2014 at Viracopos International Airport, in Campinas municipality in the State of São Paulo, Brazil. Virus has been detected in the sewage only; sewage samples collected from the same site subsequent to the detection of WPV1 have been either negative or only positive for Sabin strains or non-polio enteroviruses; to date no case of paralytic polio has been reported.