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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 .
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, the causative agent of polio (also known as poliomyelitis), is a serotype of the species Enterovirus C, in the family of Picornaviridae. [1] There are three poliovirus serotypes, numbered 1, 2, and 3. Poliovirus is composed of an RNA genome and a protein capsid.
The polio vaccine has all but obliterated the illness that once killed thousands and paralyzed 15,000 people nationwide every year. ... are shown using canes in ancient Egyptian images. British ...
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.
Historically, poliomyelitis was the most significant disease caused by an enterovirus, namely poliovirus. There are 81 non-polio and 3 polio enteroviruses that can cause disease in humans. Of the 81 non-polio types, there are 22 Coxsackie A viruses, 6 Coxsackie B viruses, 28 echoviruses, and 25 other enteroviruses. [3]
A few years later, during a polio outbreak in Canada, "masked bandits" stole 75,000 Salk vaccine shots from a Montreal university research center. [25] Just months after the vaccine's success was announced, American President Eisenhower signed the Polio Vaccination Assistance Act of 1955, to ensure the vaccine would be distributed to the public ...
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 ...