The performance of serologic tests in chronic Chagas disease diagnosis largely depends on the type and quality of the antigen preparations that are used for detection of anti-Trypanosoma cruzi antibodies. Whole-cell T. cruzi extracts or recombinant proteins have shown variation in the performance and cross-reactivity. https://www.roneverhart.com/Bee-International-Candy-Hearts-Tubes-Mike-Ike-Hot-Tamales-and-Warheads-24-Piece-Display/