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The polio vaccines prevented 29 million cases of paralytic polio between 1960 and 2021, compared with a counterfactual world with no vaccines, according to researchers’ estimates.
Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
Albert Sabin, a virologist who publicly disagreed with Salk and his killed vaccine, worked on creating a vaccine with live attenuated vaccines. [5] In January 1956, despite Cold War tensions, Mikhail Chumakov, the director of Moscow's Polio Research Institute, along with his wife virologist Marina Voroshilova, and his colleague Anatoli Smorodentsev, traveled to the U.S. in order to study the ...
The vaccine derived from this strain, novel oral polio virus type 2 (nOPV2), was granted emergency licencing in 2021, and subsequently full licensure in December 2023. [75] Genetically stabilsed vaccines targeting poliovirus types 1 and 3 are in development, with the intention that these will eventually completely replace the Sabin vaccines. [76]
The risks and possible side effects of the polio vaccine are comparable to those of other vaccines, the CDC says, such as pain, soreness, swelling, and/or redness at the injection site. Fainting ...
World Polio Day (24 October) was established by Rotary International to commemorate the birth of Jonas Salk, who led the first team to develop a vaccine against poliomyelitis. Use of this inactivated poliovirus vaccine and subsequent widespread use of the oral poliovirus vaccine developed by Albert Sabin led to establishment of the Global Polio ...
The Mothers' March on Polio was a door-to door canvassing campaign that mobilized women across the United States to raise funds for polio therapies and vaccine development. Started by women in the 1950s, the event became a staple in the March of Dimes ' fundraising efforts and generated funding that helped to support Dr. Jonas Salk's research ...
Anderson started his career by illustrating for other authors, but eventually began developing texts to accompany his realistic and lively black and white drawings. He is best known for his "Billy and Blaze" book series. The adventures of Billy and Blaze revolve around proper care of the horse, while teaching a lesson.