Protective effect of HLA-B*57 on HCV genotype 2 infection in a West African population Wing Chia-Ming Chuang1, Francis Sarkodie2, Colin J. Brown3, Shirley Owusu-Ofori2, Juliette Brown3, Chengyao Li4, Cristina Navarrete3, Paul Klenerman5 and Jean- Pierre Allain1 Department of Haematology, University of Cambridge, Cambridge, UK Transfusion Medicine Unit, Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana Department of Histocompatibility & Immunogenetics, National Blood Service, Colindale, London, UK National Blood Service, Cambridge, UK Nuffield Department of Medicine, University of Oxford, Oxford, UK BBTS XXIV Annual Scientific Meeting 2006