Summary of new polioviruses this week:

• Afghanistan: one WPV1 positive environmental sample

• Pakistan: seven WPV1 positive environmental samples

• Algeria: three cVDPV2 positive environmental samples

• DR Congo: nine cVDPV2 cases

• Ghana: one cVDPV2 positive environmental sample

• Madagascar: seven cVDPV1 positive environmental samples

• Mozambique: one cVDPV1 case

• Yemen: 26 cVDPV2 cases

Source: Global Polio Eradication Initiative