Ashjan Awad Al-ahmadi2022-05-192022-05-191148https://drepo.sdl.edu.sa/handle/20.500.14154/10225Viral hepatitis can be caused by a variety of different viruses Hepatitis A virus(HAV)hepatitis B virus(HBV)and hepatitis C virus (HCV)are the three most commonly identified around the world. These viral diseases cause significant morbidity and mprtality and impose a great burden on Saudi Arabia healthcare system.enThesis