Definition Viral hepatitis is a group systemic infection affecting the liver predominantly caused by 5 kinds of viruses at least Five hepatotropic hepatitis viruses are responsible for the vast majority of hepatitis cases(classical Hepatitis a virus(HAv) Hepatitis B virus(HBv) Hepatitis C virus(HCv Hepatitis d or delta virus(hDv Hepatitis E virus(HEv)Definition • Viral hepatitis is a group systemic infection affecting the liver predominantly caused by 5 kinds of viruses at least • Five hepatotropic hepatitis viruses are responsible for the vast majority of hepatitis cases(classical) : Hepatitis A virus (HAV) Hepatitis B virus (HBV) Hepatitis C virus (HCV) Hepatitis D or delta virus (HDV) Hepatitis E virus (HEV) 3