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

• Pakistan: one WPV1 case and 13 WPV1-positive environmental samples
• Chad: six cVDPV2 cases and one cVDPV2-positive environmental sample
• Côte d’Ivoire: one cVDPV2-positive environmental sample
• Djibouti: two cVDPV2-positive environmental samples
• Ethiopia: five cVDPV2 cases
• Germany: four cVDPV2-positive environmental samples
• Poland: one cVDPV2-positive environmental sample
• United Kingdom: one cVDPV2-positive environmental sample
• Yemen: two cVDPV2 cases