[Hepatitis B virus genotypes and evolutionary markers in chronic HBsAG patients in Bujumbura].

Introduction: Hepatitis B virus infection (VHB) is a serious condition which can lead to serious complications, such as cirrhosis and hepato-cellular carcinoma (HCC). HBV genotypes greatly influence its evolution and the effectiveness of treatment. The aim was to evaluate the HBV genotypes and the evolutionary pathways of chronic HBsAG patients.