CONICET | Buscador de Institutos y Recursos Humanos

The multiplicity of epidemiological scenarios shown by Chagas Disease, derived from multiple transmission routes of theaetiological agent, occurring on multiple geo-ecobiosocial settings determines the complexity of the disease and reveal thedifficulties for its control. From the first description of the link between the parasite, the vector and its domestic habitat and thedisease that Carlos Chagas made in 1909, the epidemiological scenarios of the American Trypanosomiasis has shown a dynamicincreasing complexity. These scenarios changed with time and geography because of new understandings of the disease frommultiple studies, because of policies change at the national and international levels and because human movements broughtthe parasite and vectors to new geographies. Paradigms that seemed solid at a time were broken down, and we learnt about theglobal dispersion of Trypanosoma cruzi infection, the multiplicity of transmission routes, that the infection can be cured, andthat triatomines are not only a health threat in Latin America. We consider the multiple epidemiological scenarios through thedifferent T. cruzi transmission routes, with or without the participation of a Triatominae vector. We then consider the scenario ofregions with vectors without the parasite, to finish with the consideration of future prospects.

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