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The history of polio (poliomyelitis) infections began during prehistory. Although major polio epidemics were unknown before the 20th century, [1] the disease has caused paralysis and death for much of human history. Over millennia, polio survived quietly as an endemic pathogen until the 1900s when major epidemics began to occur in Europe. [1]
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.
Dianne Odell (February 13, 1947 [1] – May 28, 2008) was a Tennessee woman who spent most of her life in an iron lung. [2] She contracted bulbospinal polio at age 3 in 1950 and was confined to an iron lung for the rest of her life.
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John Whitney Sr. (1917–1995) was an American animator, composer and inventor, widely considered to be one of the fathers of computer animation. [1] In the 1940s and 1950s, he and his brother James created a series of experimental films made with a custom-built device based on old anti-aircraft analog computers (Kerrison Predictors) connected by servomechanisms to control the motion of lights ...
Before the invention of the polio vaccine, the iron lung supported patients whose lungs were weakened or paralyzed by polio. This is its impact today. The iron lung: A life-saving device with an ...
What is polio? Polio is an infection caused by a virus that mostly affects children under 5. Most people infected with polio don’t have any symptoms, but it can cause fever, headaches, vomiting ...
In computer graphics, graphics software refers to a program or collection of programs that enable a person to manipulate images or models visually on a computer. [ 1 ] Computer graphics can be classified into two distinct categories: raster graphics and vector graphics , with further 2D and 3D variants.