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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.
In children, paralysis due to polio occurs in one in 1,000 cases, while in adults, paralysis occurs in one in 75 cases. [24] By 1950, the peak age incidence of paralytic poliomyelitis in the United States had shifted from infants to children aged 5 to 9 years; about one-third of the cases were reported in persons over 15 years of age. [ 25 ]
In the 1940s there were 40,000 new cases every year, and summer programs for children were restricted, especially swimming pools. From 1938 through the approval of the Salk vaccine in 1955, the foundation spent $233 million on polio patient care, which led to more than 80 percent of U.S. polio patients' receiving significant foundation aid. [50]
Polio primarily infects children under 5 and has done so around the globe for millennia. ... It killed or paralyzed more than half a million people every year by the mid-20th century, and left ...
It mainly affects children under the age of five, although it can also impact unvaccinated adults. ... – When were the last polio epidemics in the UK? During the early 1950s the UK was rocked by ...
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Candida albicans infection; Candida parapsilosis infection; Cytomegalovirus infection; diphtheria; human coronavirus infection; respiratory distress syndrome; measles; meconium aspiration syndrome
The virus infects the throat and intestines, and can cause flu-like symptoms. Paralysis from the polio virus is rare. This year, polio cases have been detected in New York state, London and Jerusalem.