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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]
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 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]
– What is polio? Polio is a life-threatening disease caused by the poliovirus. High temperature. Extreme fatigue. Headaches. Vomiting. ... In extreme cases polio can cause paralysis, usually in ...
Before vaccines were available in 1955, polio caused 15,000 cases of paralysis in the US each year. The US eliminated the disease in 1979, but unvaccinated travelers can still carry polio in.
[2] [3] He contracted polio at the age of six and was paralyzed for life, only able to move his head, neck, and mouth. [4] [5] [6] During a major U.S. outbreak of polio in the early 1950s, hundreds of children around Dallas, Texas, including Alexander, were taken to Parkland Hospital. There, children were treated in a ward of iron lungs.
The U.N. agency estimates that 1 in 200 polio cases results in permanent paralysis, usually of the legs. ... Before the first vaccine was developed in the 1950s, polio was among the most feared ...