Bleeding a Cape Buffalo (IMAGE) University of Massachusetts Amherst Caption Dr. Sam Black and a veterinary technician collecting a blood sample from a trypanosome-infected Cape buffalo to assay trypanosome-specific antibodies in serum. The Bill and Melinda Gates Foundation recently announced a three-year grant to Black and others to develop a vaccine to control and cure trypanosomiasis, a fatal disease of cattle in sub-Saharan Africa and a major obstacle to raising livestock there. Credit UMass Amherst Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.