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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.
A lawyer advising Robert F. Kennedy Jr. wants the FDA to revoke approval of the polio vaccine. Before vaccines were available in 1955, polio caused 15,000 cases of paralysis in the US each year ...
Polio is an infection caused by a virus that mostly affects children under 5. Most people infected with polio don’t have any symptoms, but it can cause fever, headaches, vomiting and stiffness ...
Up to 0.5% develop paralysis of or weakness in the arms and/or legs—and up to 10% of those paralyzed die. Even people with mild infections can experience post-polio syndrome (PPS) decades later.
Most infections are asymptomatic; a small number cause a minor illness that is indistinguishable from many other viral illnesses; less than 1% result in acute flaccid paralysis. This article lists people who had the paralytic form of polio. The extent of paralysis varies from part of a limb to quadriplegia and respiratory failure.
Most people infected with polio don’t have any symptoms, but it can cause fever, headaches, vomiting and stiffness of the spine. In severe cases, polio can invade the nervous system and cause paralysis within hours, according to the WHO. The U.N. agency estimates that 1 in 200 polio cases results in permanent paralysis, usually of the legs.
The organization initially focused on the rehabilitation of victims of paralytic polio, and supported the work of Jonas Salk and others that led to the development of polio vaccines. [5] On April 12, 1955 – ten years after Roosevelt's death – the National Foundation published the successful results of Salk's research on the development of a ...
Polio can cause paralysis and death. Before the vaccine was approved in 1955, there were about 16,000 cases of polio every year in the U.S. Today the disease has nearly been eradicated among ...