LY6E and coronary artery disorder: On the other hand, in a ChD model in Rhesus macaques (Macaca mulatta) vaccinated with recombinant T. cruzi proteins such as trypomastigote surface antigen (TSA-1) and calcium-binding flagellar antigens (Tc24), no fever was recorded after vaccination with the antigens in animals without T. cruzi infection [31].