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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.
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.
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 ...
Poliomyelitis, or polio, is a distinctly contagious illness caused by a virus called poliovirus. The virus targets the nervous system, which is why it sometimes triggers spinal and respiratory ...
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]
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]
Poliomyelitis, known as the disease Polio, is a highly infectious disease caused by a virus that lives in the throat and intestinal tract of those infected with it. It caused severe illness in thousands of people in the United States each year until the vaccine was introduced in 1955.
Aaron Siri, who served as an attorney for Kennedy Jr.’s campaign, petitioned the Food and Drug Administration (FDA) to get rid of its approval of the polio vaccine in 2022, the New York Times ...