Oral Polio Vaccine Causes Nearly All Cases of Paralytic Polio
Despite the introduction in March 2021 of a reportedly more stable and safer oral polio vaccine (OPV) called the novel oral polio vaccine type 2 (nOPV2), cases of circulating vaccine-derived polio (cVDPV) paralysis continue to be reported around the world, Ironically, continuing OPV vaccine campaigns in underdeveloped countries appears to be the main reason the […]
WHO: Polio Outbreak in Sudan Caused by Oral Polio Vaccine
The World Health Organization (WHO) recently reported that a new poliovirus outbreak in Sudan is linked to an ongoing string of vaccine strain polio outbreaks in Africa caused by continued use of the live attenuated oral polio vaccine (OPV).1 On Aug. 9, 2020, the Federal Ministry of Health in Sudan notified the WHO of the […]