Polio-like syndrome is a general description of a group of symptoms which mimic polio, including rarely permanent paralysis. Various causes have been found, including some viruses from the same virus group, the enteroviruses as polio: enterovirus 68, enterovirus 71, and coxsackievirus A7. These are suspected in many cases of acute flaccid myelitis, which is essentially the same condition. A study of some of the cases in 2014 found that when enterovirus 68 was detected, it was from a strain that only emerged in 2010. Other non-virus causes of polio-like symptoms are observed, though rarely, from snake bite, spider bite, scorpion sting, tick bite, or chemicals such as arsenic and organophosphorus insecticides.
Over 50 cases were reported in the U.S. in 2014.
At least 107 cases were reported in the U.S. in 2014
- 'About 20' cases of polio-like illness found in California, Jacque Wilson and Ashley Hayes, CNN February 25, 2014
- Vaccines, Elsevier Health Sciences, 2012, p. 605
- A novel outbreak enterovirus D68 strain associated with acute flaccid myelitis cases in the USA (2012–14): a retrospective cohort study, The Lancet, Alexander L Greninger, Samia N Naccache, et al., 30 March 2015
- "Nonpolio causes of polio-like paralytic syndromes", JH Gear, Rev Infect Dis. 1984 May-Jun; 6 Suppl 2:S379-84
- The Mysterious Polio-Like Disease Affecting American Kids, The Atlantic, Dan Hurley, OCT 24 2014
- 107 children stricken by mysterious polio-like illness, USA TODAY, Liz Szabo, JAN 28 2015
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