Summary of new polioviruses this week, cases and positive environmental isolates:
- Afghanistan: one WPV1-positive environmental sample
- Pakistan: two WPV1 cases
- Cameroon: one cVDPV2-positive environmental sample
- Chad: two cVDPV2 cases
- Guinea: one cVDPV2-positive environmental sample and three cVDPV3 cases
- Niger: one cVDPV2-positive environmental sample
- Senegal: one cVDPV2-positive environmental sample
