Infants can be infected through breast milk from infected mothers. The virus can enter the body of a healthy person through the ingestion syringe used by an infected person. The virus can be transmitted through unprotected sex. Hepatitis can be caused by the destruction of liver cells by the patient’s own immune system. This is called autoimmune hepatitis. Inborn errors of metabolism cause Willsom’s disease (deficiency in copper metabolism) and hemochromatosis (deficiency in iron metabolism) leading to hepatitis. Hepatitis can be caused by acute bacterial, fungal and amoebic infections. Excess paracetamol, halothane and alcohol consumption can cause hepatitis.