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 […]
