<prompt> Elements of primary health care include all of the following exceptAdequate supply of safe water and basic sanitationProviding essential drugsSound referral systemHealth Education  <response>: Elements of Primary health care -Education concerning prevailing health problems and the methods of preventing and controlling themPromotion of food supply and proper nutritionAn adequate supply of safe water and basic sanitationMaternal and child healths care including family planning.Immunization against major infectious diseasePrevention and control of locally endemic disease.Appropriate tt of common disease and injuries.Provision of essential drugs 