Figure 2From: Chagas disease: an impediment in achieving the Millennium Development Goals in Latin America Title Cycle of transmission of Trypanosoma cruzi and its vectors to humans. Triatomine bugs live in the crevices of poorly constructed houses in impoverished areas in Latin America. Metacyclic trypomastigote is the infecting form to humans, while the amastigote is the intracellular form responsible for the immunopathogenesis in target human organs.Back to article page