5
Total number of wild poliovirus (WPV) cases reported globally in 2021. Cases were reported from 2 countries.
570
Total number of circulating vaccine-derived poliovirus (cVDPV) cases reported globally in 2021. Cases were reported from 20 countries.
47
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Afghanistan in 2021. 4 cases of WPV and 43 cases of cVDPV.
9
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Pakistan in 2021. 1 cases of WPV and 8 cases of cVDPV.
385
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Nigeria in 2021. cases of WPV and 385 cases of cVDPV.
32
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Tajikistan in 2021. cases of WPV and 32 cases of cVDPV.
17
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Democratic Republic of the Congo (DR Congo) in 2021. cases of WPV and 17 cases of cVDPV.
17
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Senegal in 2021. cases of WPV and 17 cases of cVDPV.
11
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Madagascar in 2021. cases of WPV and 11 cases of cVDPV.
10
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Niger in 2021. cases of WPV and 10 cases of cVDPV.
9
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in South Sudan in 2021. cases of WPV and 9 cases of cVDPV.
9
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Yemen in 2021. cases of WPV and 9 cases of cVDPV.
6
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Guinea in 2021. cases of WPV and 6 cases of cVDPV.
5
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Sierra Leone in 2021. cases of WPV and 5 cases of cVDPV.
3
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Benin in 2021. cases of WPV and 3 cases of cVDPV.
3
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Cameroon in 2021. cases of WPV and 3 cases of cVDPV.
3
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Guinea-Bissau in 2021. cases of WPV and 3 cases of cVDPV.
3
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Liberia in 2021. cases of WPV and 3 cases of cVDPV.
2
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Burkina Faso in 2021. cases of WPV and 2 cases of cVDPV.
2
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Congo in 2021. cases of WPV and 2 cases of cVDPV.
1
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Somalia in 2021. cases of WPV and 1 cases of cVDPV.
1
Total number of wild poliovirus (WPV) and circulating vaccine-derived poliovirus (cVDPV) cases reported in Ukraine in 2021. cases of WPV and 1 cases of cVDPV.