- the main objective of the immunization policy is to have a country free of vaccine preventable diseases of public health importance by ensuring the use of safe and quality vaccines relevant to the health care needs of the people in a sustainable and equitable manner. The Ministry of Health has developed this immunization policy in close collaboration with all stakeholders, including relevant professional bodies and Government Institutions. The above policy document submitted by Hon. Maithripala Sirisena, Minister of Health, was approved by the Cabinet.