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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.
Dorothy Millicent Horstmann (July 2, 1911 – January 11, 2001) was an American epidemiologist, virologist, and pediatrician whose research on the spread of poliovirus in the human bloodstream helped set the stage for the development of the polio vaccine.
Thomas Francis Jr. (July 15, 1900 – October 1, 1969) was an American physician, virologist, and epidemiologist who guided the discovery and development of the polio vaccine being worked on by his student Jonas Salk.
By 1955 the March of Dimes had invested $25.5 million in research; [56] funding both Jonas Salk's and Albert Sabin's vaccine development; the 1954–55 field trial of vaccine, and supplies of free vaccine for thousands of children. [40] In 1952, during the worst recorded epidemic, 3,145 people in the United States died from polio. [57]
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.
March of Dimes is a United States nonprofit organization that works to improve the health of mothers and babies. [1] The organization was founded by US President Franklin D. Roosevelt in 1938, as the National Foundation for Infantile Paralysis, to combat polio.
As a result of the Vaccination Assistance Act, 50 million people were vaccinated against polio between 1962 and 1964 and seven million children received the vaccine that prevents diphtheria, tetanus and whooping cough, resulting in a fall in cases of polio and diphtheria. [2] In 1965 the Vaccination Assistance Act was extended. [2]
Before the war, Gaza had near-universal polio vaccine coverage, but it has since dropped below 90%. Polio mostly affects children under 5 years old, and can cause irreversible paralysis and even ...