This is a fish parasite &fish lay ton of eggs so ton larve it prb. One of the worst parasites along with strongloid & elephant malaria _it multiply like fire & not in stool at least that what labs say they live in upper intestine body lungs all i knw is i wdnt wish this on my worst enemy &i think i got it from sushi three thiing hapened cat scratch clean up dust from lot animals from farm takin care sic dog from fla. Animal raw food dirty water insect vaccine all can cause believe me i will be extremely careful if i survive this it rob all my inosense carefree life