[Chagas disease: tackling the invisibility through the analysis of life histories of chronic patients].

The scope of this article is to analyze the life histories of Chagas disease (CD) patients, searching for elements in their narratives that might present possibilities for coping with this problem. Caused by the protozoan Trypanosoma cruzi, Chagas disease combines conditions of infection and/or progression to disease, in accordance with biological and social determinants and affects around 6 to 7 million people infected with T. cruzi.