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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.
[7]: 455 In 1921, an American physician would assume that if an individual developed a sudden, non-traumatic flaccid paralysis, it was due to paralytic polio. The concept of GBS as a distinct disease was not widely accepted in the United States until after the Second World War. [3]: 232 [self-published source]
The disease then began a slow decline for much of the remainder of the year. [3] The height of the epidemic lasted from June to November. Once cases began to subside, businesses reopened, and the public fear decreased. The overall mortality rate throughout the city was estimated to be about 25%, and the disease left many more paralyzed. [4]
For roughly 80 years, she has coped with the aftermath of a polio infection, including the late effects of polio, called post-polio syndrome. She now needs a wheelchair or mobility scooter to get ...
“The paralysis can be permanent and lead to death.” That’s because, in severe cases, ... In the 1940s and 1950s, polio was “one of the most feared diseases,” says Lipps, “causing ...
In 1952 the U.S. had 79,000 polio cases, including 21,300 that led to paralysis, and 3,145 deaths. By 1960 the cases had declined to 2,525 with only 230 deaths. In modern times polio cases have ...
In 1954, the year leading up to the announcement, polio was killing more American children than any other infectious disease. Jonas Salk 's vaccine was made ready for its third and final field tests. It became the most elaborate program of its kind in history, involving 20,000 physicians and public health officers, 64,000 school personnel, and ...
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.