English: "Dr. Carlos Chagas, reading his lecture at the National Academy of Medicine on the discovery of the disease that bears his name and that is produced by a kind of bug called "barbeiro" - a terrible disease that generally attacks those who live in mud and adobe houses, that is, a large part of the poor population of the interior of the states. This conference, held in the presence of the President of the Republic and a large and select audience, was illustrated with luminous projections and caused a deep impression."