Update on Vaccine-Derived Poliovirus Outbreaks - Worldwide, January 2021-December 2022

This report describes outbreaks of circulating vaccine-derived polioviruses during January 2021-December 2022.
Source: CDC Morbidity and Mortality Weekly Report - Category: American Health Tags: MMWR Morbidity & Mortality Weekly Report Polio (poliomyelitis) Polio Vaccination Source Type: news