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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.
Polio is “shorthand for poliomyelitis, a disease of the central nervous system caused by infection with poliovirus,” Dr. Richard Lloyd, professor of molecular virology and microbiology at ...
Type 3 (WPV3) is last known to have caused polio in 2012, and was declared eradicated in 2019. [59] All wild-virus cases since that date have been due to type 1 (WPV1). [60] As of August 2024, Afghanistan and Pakistan are the only two countries where the disease is still classified as endemic.
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 ...
Polio is a life-threatening disease caused by the poliovirus. ... In extreme cases polio can cause paralysis, usually in the legs, although movement typically comes back within a few weeks or ...
The infection is caused by the poliomyelitis virus which is a single-stranded, positive sense RNA virus surrounded by a non-enveloped capsid. Humans are the only known natural hosts of this virus. The disease has been eliminated from the U.S. since the mid-twentieth century, but is still found in certain areas of the world such as Africa. [3]
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 ...
The number of polio cases globally has dropped by more than 99% since the global effort to wipe out the disease led by the World Health Organization and others began in 1988. ... Polio can cause ...