• Hepatitis viruses - six main types of the hepatitis virus have been identified, including hepatitis A, B, C, D, E and G.
• Cytomegalovirus (CMV) - a virus that is a part of the herpes virus family that can be transmitted from person to person.
• Epstein-Barr virus (EBV) - the virus most commonly associated with infectious mononucleosis.
• Herpes simplex virus (HSV) - herpes can involve the face and skin above the waist or the genitalia.
• Varicella zoster virus (VZV) - also known as chickenpox, a complication of VZV is hepatitis.
• Enteroviruses - a group of viruses commonly seen in children such as coxsackieviruses, hand-foot-mouth disease and echoviruses.
• Rubella - caused by the rubivirus, rubella is a mild disease that causes a rash.
• Adenovirus - a group of viruses that commonly cause colds, tonsillitis, and ear infections in children. They can also cause diarrhea.
• Parvovirus - a virus referred to as fifth disease, which is characterized by a facial rash that is described as having a "slapped-cheek" appearance.

• Autoimmune liver disease - the body's immune system develops antibodies that attack the liver causing an inflammatory process that leads to hepatitis.
• Chronic viral hepatitis - usually caused by hepatitis B, C or D.

Hepatitis is treated by specialists in the liver disease clinic.