Summary of new polioviruses this week, cases and positive environmental isolates:

Pakistan: nine WPV1-positive environmental samples

Algeria: one cVDPV2-positive environmental sample

Congo: one cVDPV2-positive environmental sample

Côte d’Ivoire: four cVDPV2-positive environmental samples

DR Congo: one cVDPV1 case

Egypt: one cVDPV2-positive environmental sample

Guinea: two cVDPV2-positive environmental samples

Indonesia: one cVDPV2 case

Mauritania: one cVDPV2-positive environmental sample

Sudan: four cVDPV2-positive environmental samples

Zimbabwe: one cVDPV2 case