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In Venezuela, two non-tsetse transmitted trypanosomes, Trypanosoma evansi and Trypanosoma vivax, are the major etiological agents of animal trypanosomosis. Rodents can be experimentally infected with T. evansi in order to obtain enough parasites to prepare antigens for serological tests. On the contrary, the production of T. vivax antigens is a limiting factor in most laboratories. Since T. evansi...
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