A new finding of the Trypanosoma (Megatrypanum) freitasi a rare trypanosome encountered in the blood of marsupial's of the genus Didelphis, is reported. The feeble and irregular parasitemy, the difficulties for its isolation, as will as the concomitant observation of Trypanosoma cruzi, is mentioned.
Trypanosomes; Trypanosomiasis, South American; Reservoirs