CSTE Position Statement(s)
An illness characterized by watery diarrhea, abdominal cramps, loss of appetite, low-grade fever, nausea and vomiting. The disease can be prolonged and life-threatening in severely immunocompromised persons.
Laboratory Criteria For Diagnosis
Laboratory-confirmed cryptosporidiosis shall be defined as the detection of a member of the genus Cryptosporidium by one of the following methods:
- Organisms in stool, intestinal fluid, or tissue samples or biopsy specimens
- Antigens in stool or intestinal fluid, OR
- Nucleic acid by polymerase chain reaction (PCR) in stool, intestinal fluid, or tissue samples or biopsy specimens
A case that meets the clinical description and that is epidemiologically linked to a confirmed case.
A case that meets the clinical description and at least one of the criteria for laboratory-confirmation as described above. When available, species designation and molecular characterization should be reported.
The 2009 case definition appearing on this page was re-published in the 2009 CSTE position statement 09-ID-32. Thus, the 2009 and 2010 versions of the case definition are identical.