Question

which of the following is the etiology of the myocarditis known as chagas disease?
trichinella spiralis
trypanosoma cruzi
streptococcus viridans
coxsackie virus infection

Explanation:

Chagas' disease is caused by the protozoan parasite Trypanosoma cruzi. Trichinella spiralis causes trichinosis. Streptococcus viridans is associated with infective endocarditis. Coxsackie virus infection is a cause of viral myocarditis but not Chagas' disease.

Answer:

Trypanosoma cruzi