Notes from the Field: Circulating Vaccine-Derived Poliovirus Type 2 Emergences Linked to Novel Oral Poliovirus Vaccine Type 2 Use — Six African Countries, 2021–2023
by from Morbidity and Mortality Weekly Report (MMWR) on (#6EZ0X)
This report describes the circulation of vaccine-derived poliovirus type 2 in six African countries.