Abdalla Mohammed, SawsanNagmeldeen Mohammed, AbeerIbrahim Mohammed, HadeelMedani Eltayeb, MohamedIbrahim Elhag, Wafa2017-09-122017-09-122017-09-01http://hdl.handle.net/123456789/5149Background: Blood borne diseases impose heavy burdens on national economies and individual families due to costs arising from acute and chronic morbidity and mortality. The world Health organization estimated that there are 350 million hepatitis B virus (HBV) infected patients worldwide