 Chagas also persuaded Argentine physician Salvador Mazza to research the epidemic, leading to the latter's confirmation of the existence of "trypanosoma cruzi" in Argentina in 1927, and eventually to government action.Chagas was also the first to discover the parasitic fungal genus "Pneumocystis" in the lungs of his experimentally trypanosome-infected animals.At the time, he did not recognize it as a separate organism, so he described his genus "Schizotrypanum" to accommodate both lifecycles that he illustrated beautifully.