These findings indicate clearly that transfusion-associated transmission of T. cruzi is occurring in the study areas. Serologic testing of blood donors for Chagas disease should be performed there and in the rest of Mexico. The two screening assays evaluated may lack the accuracy necessary for blood donor testing when used as suggested by the manufacturers.

These preliminary results indicate that systemic 13-cRA plus IFN alpha-2a is a highly active, well-tolerated therapy for locally advanced cervical cancer.