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Detection of Intestinal Parasites



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Giardia Antigen Test, Feces

Slide 27

March 2009

The antigen test is an enzyme-linked immunoassay with a Sensitivity of 96% and a Specificity of 97%. Fresh or formalin-preserved stool should be submitted for examination, and the results should always be correlated with the clinical presentation. Finally, because of the periodic nature of Giardia antigen shedding, Testing of three consecutive samples is recommended before excluding giardiasis from the diagnosis.

Giardia Antigen Test, Feces

 


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