Summary of new polioviruses this week, cases and positive environmental isolates:
Afghanistan: seven wild poliovirus type 1 (WPV1)-positive environmental samples
Pakistan: three WPV1-positive environmental samples Chad: one cVDPV2 case Côte d'Ivoire: one cVDPV2 case and one positive environmental sample
DR Congo: four cVDPV1 cases and one cVDPV2 case
Mozambique: one cVDPV1 case Nigeria: six cVDPV2 cases
South Sudan: one cVDPV2 case
Zimbabwe:six cVDPV2-positive environmental samples
