Working Document Series Open Access Fish farming for improved income and food security of small scale farmersan initiative of the RUFORUM Community Action Research Programme (CARP) J. Banda · L. Banda · B. Chirwa · T. Chitsulo +9 more African trypanosomiasis is a major disease in several countries in eastern Africa, Uganda inclusive. This study is examining the role of oligopeptidase B (opB) in virulence of the vector Trypanosoma brucei rhodesiense and T. brucei gambien… RUF-34999 2010 CC BY 4.0 15 Sep 2015