145 Vitelli-Avelar Vitelli-Avelar DM DM Sathler-Avelar Sathler-Avelar R R Massara Massara RL RL Borges Borges JD JD Lage Lage PS PS Lana Lana M M et al et al Are increased Frequency of Macrophage-like and Natural Killer (NK) Cells, Together with High Levels of NKT and CD4+CD25high T Cells Balancing Activated CD8+ T Cells, the Key to Control Chagas’ Disease Morbidity? The gene discussed is CD4; the disease is Chagas disease.