By Ethan Covey
Progress toward the global eradication of poliovirus is facing challenges as cases of both wild poliovirus type 1 (WPV1) and circulating vaccine-derived polioviruses (cVDPVs) rose during 2022, according to a report from the CDC (MMWR Morbid Mortal Wkly Report 2023;72[19]:517-522).
The report provides an annual update on the world’s progress toward eradicating transmission of WPV and stopping all outbreaks of poliovirus variants by the end of 2023, Scarlett E. Lee, DVM,