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 […]
Polio Outbreaks in Burundi and Other African Nations Caused by Vaccine Strain of the Virus
The government of Burundi has declared a national public health emergency due to an outbreak of live vaccine strain poliovirus infections in that country. A mutated strain of the vaccine strain poliovirus, which originally came from the type 2 monovalent oral polio vaccine (mOPV2), was identified in a four-year-old boy in western Burundi and in […]
CDC May Bring Back Oral Polio Vaccine in U.S.
In response to the first confirmed case of polio in the United States since 2013 this past September and the subsequent detection of the polio virus in New York City wastewater, officials at the U.S. Centers for Disease Control and Prevention (CDC) are now considering recommending a return to use of the live attenuated oral […]
