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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.
English: A line graph showing recorded cases of Poliomyelitis in the wild, over time. Data taken from English Wikipedia: Eradication of infectious diseases Date
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 ...
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This is a timeline of the development of prophylactic human vaccines. Early vaccines may be listed by the first year of development or testing, but later entries usually show the year the vaccine finished trials and became available on the market. Although vaccines exist for the diseases listed below, only smallpox has been eliminated worldwide.
Polio is a serious, and potentially deadly or crippling, infection disease. [49] By the mid-20th Century, breakouts of polio present a major health concern for children in the United States. In 1952, at the height of an epidemic, Jonas Salk introduces a vaccine for the disease, which has existed for thousands of years.
Polio eradication, the goal of permanent global cessation of circulation of the poliovirus and hence elimination of the poliomyelitis (polio) it causes, is the aim of a multinational public health effort begun in 1988, led by the World Health Organization (WHO), the United Nations Children's Fund (UNICEF) and the Rotary Foundation. [55]
A child receives oral polio vaccine during a 2002 campaign to immunize children in India. Poliovirus. Polio eradication, the goal of permanent global cessation of circulation of the poliovirus and hence elimination of the poliomyelitis (polio) it causes, is the aim of a multinational public health effort begun in 1988, led by the World Health Organization (WHO), the United Nations Children's ...