Summary of new polioviruses this week, cases and positive environmental isolates:
- Afghanistan: seven WPV1-positive environmental samples
- Cameroon: one cVDPV2-positive environmental sample
- Central African Republic: one cVDPV2-positive environmental sample
- Chad: one cVDPV2 case
- Djibouti: one cVDPV2-positive environmental sample
- Guinea: one cVDPV3 case
