Poliomyelitis, Paralytic
1997 Case Definition
Clinical case definition
Acute onset of a flaccid paralysis of one or more
limbs with decreased or absent tendon reflexes in the affected
limbs, without other apparent cause, and without sensory or cognitive
loss
Case classification
Probable: a case
that meets the clinical case definition
Confirmed: a case that meets the clinical
case definition and in which the patient has a neurologic deficit
60 days after onset of initial symptoms, has died, or has unknown
follow-up status
Comment
All suspected cases of paralytic poliomyelitis
are reviewed by a panel of expert consultants before final classification
occurs. Confirmed cases are then further classified based on
epidemiologic and laboratory criteria (11). Only confirmed cases
are included in Table I in the MMWR. Suspected cases
are enumerated in a footnote to the MMWR table.
References
11.
Sutter RW, Brink EW, Cochi SL, et al. A new epidemiologic and
laboratory classification system for paralytic poliomyelitis cases.
Am J Public Health 1989;79:495-8.
See also:
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