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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.
Poliovirus is, however, strictly a human pathogen, and does not naturally infect any other species (although chimpanzees and Old World monkeys can be experimentally infected). [40] The CD155 gene appears to have been subject to positive selection. [41] The protein has several domains of which domain D1 contains the polio virus binding site.
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 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 ...
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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.
A physical therapist assists two polio-stricken children while they exercise their lower limbs. Prior to the polio scares of the twentieth century, most rehabilitation therapy was focused on treating injured soldiers returning from war. The disabling effects of polio led to heightened awareness and public support of physical rehabilitation, and ...
An unvaccinated NY man has polio, the first documented case in the U.S. since 2013. Here, doctors explain what polio is, its causes, symptoms, and vaccines.