| low prevalence of chagas parasite infection in a nonhuman primate colony in louisiana. | chagas disease, an important cause of heart disease in latin america, is caused by the parasite trypanosoma cruzi, which typically is transmitted to humans by triatomine insects. although autochthonous transmission of the chagas parasite to humans is rare in the united states, triatomines are common, and more than 20 species of mammals are infected with the chagas parasite in the southern united states. chagas disease has also been detected in colonies of nonhuman primates (nhp) in georgia and t ... | 2012 | 23043809 |