Summary of new polioviruses this week, cases and positive environmental isolates:
- Afghanistan: two wild poliovirus type 1 (WPV1)-positive environmental samples
- Pakistan: 14 WPV1-positive environmental samples
- Guinea: three circulating vaccine-derived poliovirus type 2 (cVDPV2) cases
- Indonesia: one cVDPV2 case and one cVDPV2-positive environmental sample
- Mozambique: one cVDPV2 case
- Nigeria: two cVDPV2 cases
- Tanzania: one cVDPV2-positive environmental sample
