Polio Essay

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Poliomyelitis, also known as Polio, is a highly contagious disease caused by a virus that attacks the nervous system. Most victims to this disease are younger than five years of age; they are more likely to get this disease than any other age group. Out of two hundred people infected with the polio disease one is most likely to result in paralysis. The Polio Virus has decreased greatly since the Polio Vaccine was developed. In 2010 a WHO (World Health Organization) pole reported only 1,352 cases worldwide. Since the Polio Vaccine was developed the U.S has not has a single Polio case since 1979.
There are three types of Polio; Sub-Clinical, Non-Paralytic, and Paralytic. Approximately 95% of Polio cases are Sub-Clinical, victims may not have symptoms. Sub-Clinical Polio does not affect the central nervous system. Non-Paralytic does infect the central nervous system, has mild symptoms, and does not end in paralysis. Out of the three types of Polio the most serious and rarest form of Polio is Paralytic. It produces full or partial paralysis in its victims. There are three types of Paral...

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