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Polio-like syndrome is a general description of a group of symptoms which mimic polio, including rarely permanent paralysis. Various triggers have been found, including some viruses from the same virus group as polio: enterovirus 68, enterovirus 71, and coxsackievirus A7. [1] [2] These are suspected in many cases of acute flaccid myelitis.
Polio isn’t typically something most parents worry about — after all, there hasn’t been a case of polio originating in the U.S. since 1979 thanks to vaccines, ...
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.
Post-polio syndrome (PPS, poliomyelitis sequelae) is a group of latent symptoms of poliomyelitis (polio), occurring at about a 25–40% rate (latest data greater than 80%). They are caused by the damaging effects of the viral infection on the nervous system and typically occur 15 to 30 years after an initial acute paralytic attack.
The vaccine derived from this strain, novel oral polio virus type 2 (nOPV2), was granted emergency licencing in 2021, and subsequently full licensure in December 2023. [75] Genetically stabilsed vaccines targeting poliovirus types 1 and 3 are in development, with the intention that these will eventually completely replace the Sabin vaccines. [76]
Up to 5% of polio patients develop meningitis, the inflammation of the tissues surrounding the brain and spinal cord, the CDC estimates. Up to 0.5% develop paralysis of or weakness in the arms and ...
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Researchers found in a study concentrated on 1,325 fatal cases (14.5% of the total), 82% died within the first week of having polio, 11% died in the second week, and 3% in the third week. [6] Since the disease took its course so quickly, it was complicated for medical professionals to control the situation, especially since there was no modern ...