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Circulating variant poliovirus (cVDPV) has been isolated from environmental samples in French Guiana and Spain. In French Guiana, cVDPV3 was isolated from samples collected in Cayenne province in May, June and August. In Spain, cVDPV2 was isolated from a single positive sample collected in Barcelona in September. Advance notifications for these viruses were included in last week’s update. This article highlights important work being carried out in Bangladesh to minimize risk associated with poliovirus potentially infectious material in laboratory settings.
Summary of new polioviruses this week, cases and positive environmental isolates:
Pakistan: four WPV1 cases and 50 WPV1-positive environmental samples Angola: one cVDPV2 case French Guiana (France): three cVDPV3-positive environmental samples Niger: four cVDPV2-positive environmental samples Nigeria: four cVDPV2 cases South Sudan: one cVDPV2 case and two cVDPV2-positive environmental samples Spain: one cVDPV2-positive environmental sample Yemen: one cVDPV2-positive environmental sample