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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.
Before vaccines were available in 1955, polio caused 15,000 cases of paralysis in the US each year. The US eliminated the disease in 1979, but unvaccinated travelers can still carry polio in.
Many countries began polio immunization campaigns using Salk's vaccine, including Canada, Sweden, Denmark, Norway, West Germany, the Netherlands, Switzerland, and Belgium. By 1959, the Salk vaccine had reached about 90 countries. [5] An attenuated live oral polio vaccine was developed by Albert Sabin, coming into commercial use in 1961. Less ...
L ast month it was reported that Robert F. Kennedy Jr.’s lawyer, Aaron Siri, had petitioned the U.S. Food and Drug Administration to revoke approval of the polio vaccine. Lobbying to stop ...
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 ...
Before Jonas Salk developed the first successful polio vaccine in the mid-1950s, the disease killed or paralyzed more than half a million people around the world each year.
He had developed an attenuated poliovirus vaccine, which he tested in about 10,000 children across much of the United States and Canada. [11] Five of these children died of polio and 10 more were paralyzed, usually in the arm where the vaccine was injected, and frequently affecting children in towns where no polio outbreak had occurred. [11]
The polio vaccine has all but obliterated the illness that once killed thousands and paralyzed 15,000 people nationwide every year. Polio is a deadly disease with a vaccine that RFK Jr.’s ...