Answer: C. Chagas disease
Explanation:
Xenodiagnosis is a method of diagnosis and detection of the microorganism responsible for infecting the tissues of the body.
Chagas disease is a potentially life threatening disease. It is caused by the protozoan parasite called as Trypanosoma cruzi. It is transmitted to people through the feces of insects. This disease is common in South and Central America and in Mexico. The xenodiagnosis is used to detect the parasite responsible for the Chagas disease.
