Assertion: polio's infection | /r/Causes | limb muscle paralysis
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text: Other infections (such as other enteroviruses or West Nile virus) may cause limb muscle paralysis known as acute flaccid paralysis (AFP) syndrome, but only that caused by polioviruses (antigenic types 1, 2, or 3, one species of the genus Enterovirus, family Picornaviridae) is poliomyelitis; hence laboratory confirmation test has become essential to the diagnosis of polio.