Aidan O'Leary on Twitter: "Wild poliovirus weekly case update from @WHO: Three new cases in Pakistan. In 2022: Afghanistan: 01, Pakistan: 06, Mozambique: 01 In 2021: Afghanistan: 04, Pakistan: 01, Malawi: 01
Aidan O'Leary on Twitter: "Wild poliovirus weekly case update from @WHO: One new case in Mozambique. In 2022: Afghanistan: 01, Pakistan: 14, Mozambique: 05. In 2021: Afghanistan: 04, Pakistan: 01, Malawi: 01.
![Global epidemiology of vaccine-derived poliovirus 2016–2021: A descriptive analysis and retrospective case-control study - eClinicalMedicine Global epidemiology of vaccine-derived poliovirus 2016–2021: A descriptive analysis and retrospective case-control study - eClinicalMedicine](https://www.thelancet.com/cms/asset/4e7b58a3-08d6-431f-879a-89b5fac1db67/gr1.jpg)