Pirajá da SilvaManuel Augusto Pirajá da Silva was a Brazilian parasitologist, medical researcher, and physician.BiographyHe graduated from the Bahia School of Medicine in 1896, and in 1908 was responsible for the identification and complete description of the pathogenic agent and the pathophysiological cycle of schistosomiasis disease.LegacyA species of venomous snake, Bothrops pirajai, is named in his honor.