FCGR2A and Chagas disease: Which allow macrophages to control inflammation, avoiding tissue damage caused by an excessive inflammatory response (84) and could be related to the type of immune response that predominates in each phase of the disease (acute or chronic), and thus, to the pathology of chronic Chagas disease, as the Fc region of IgGs that form the ICs interact with FcγR (specially FcγRIIB), eliciting or inhibiting the immune response and favoring (or not) the presence of the parasite and clinic manifestations of the disease.