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Trichinellosis (Trichinella spp.) (Trichinosis)
1990 Case Definition
Clinical description
A disease caused by ingestion of larvae of Trichinella
spiralis that has variable clinical manifestations. Common
signs and symptoms among symptomatic persons include eosinophilia,
fever, myalgia, and periorbital edema.
Laboratory criteria for diagnosis
- Demonstration of larvae of cysts of T.
spiralis on muscle biopsy, or
- Positive serology for T. spiralis
Case classification
Confirmed: a clinically
compatible illness that is laboratory confirmed
Comment
In an outbreak setting, at least one case must
be laboratory confirmed. Associated cases should be reported
as confirmed if the patient shared an epidemiologically implicated
meal or ate an epidemiologically implicated meat product and
has either a positive serology for trichinosis or a clinically
compatible illness.
See also:
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