Summary of new polioviruses this week, cases and positive environmental isolates:
- Pakistan: 18 WPV1-positive environmental samples
- Chad: three cVDPV2 cases and three cVDPV2-positive environmental samples
- DR Congo: one cVDPV2 case
- Nigeria: three cVDPV2 cases
- Occupied Palestinian territory: three cVDPV2-positive environmental samples
- Tanzania: two cVDPV2-positive environmental samples
