Should test for viral agents. For cysts, ova, and parasite detection, at least 3 stool samples must be collected. Test for appropriate metal. Special test needed to identify a fish toxin. Consult a mycologist to identify the mushroom.
Blood culture is the best source for diagnosis.
Blood test helpful to identify the agent. May need acute and convalescent serum or viral cultures. TM Back to the Foodborne Primer Home Page .