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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.
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]
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 ...
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]
Polio: An American Story by David M. Oshinsky, professor of history at the University of Texas at Austin, documents the polio epidemic in the United States during the 1940s and 1950s and the race to develop a vaccine, which led to 2 different types of polio vaccine: inactivated poliovirus vaccine, developed by a team led by Jonas Salk, and oral poliovirus vaccine, developed by a team led by ...
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 ...
Poliomyelitis has existed for thousands of years, with depictions of the disease in ancient art. [1] The disease was first recognized as a distinct condition by the English physician Michael Underwood in 1789, [ 1 ] and the virus that causes it was first identified in 1908 by the Austrian immunologist Karl Landsteiner .
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.