A person is suffering from loss of appetite with feeling of nausea and is passing dark yellow urine

A person is suffering from loss of appetite with feeling of nausea and is passing dark yellow urine. Identify the disease and suggest any two methods of preventing it and two methods of controlling it.

The person is suffering from jaundice.
Two methods for prevention are:
(i) Use chlorinated boiled water.
(ii) Hepatitis-A vaccine should be taken to prevent the disease.
Two methods for controlling are:
(i) Application of interferon injection on the advice of doctor will control the disease.
(ii) The patient should take high calorie diet such as juice of sugarcane, radish with jaggery.