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Case definition

Confirmed case

Laboratory confirmation of infection with/without symptoms from an appropriate clinical specimen (stool, intestinal fluid, or small bowel biopsy):

  • Demonstration of Cryptosporidium oocysts OR
  • Detection of Cryptosporidium by PCR OR
  • Demonstration of Cryptosporidium antigen by an approved method (e.g. EIA, immunochromatic – ICT)

Probable case

Clinical illness in a person who is epidemiologically linked to a confirmed case

Definition of clinical illness

Clinical illness is characterized by diarrhea, abdominal cramps, loss of appetite, low-grade fever, nausea, and vomiting. The illness may be prolonged and life-threatening in severely immunocompromised persons.
SOURCE: Cryptosporidium ( )
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