Chad + 26 more

Polio this week as of 30 December 2020

Attachments

Summary of new WPV and cVDPV viruses this week (AFP cases and ES positives):   

Afghanistan: one WPV1 positive environmental sample and 26 cVDPV2 cases   

Pakistan: five WPV1 positive environmental samples   

Nigeria: one cVDPV2 case and two cVDPV2 positive environmental samples   

Guinea: seven cVDPV2 cases   

Liberia: two cVDPV2 positive environmental samples   

Sierra Leone: three cVDPV2 cases