(1) The health officer of a county that does not have a county department of health shall enforce the rules and regulations of the Cabinet for Health and Family Services and county boards of health.
(2) The health officer of a county that has formed a county department of health shall:
(a) Devote his entire time to the duties of his office, and shall not engage in the private practice of medicine;
(b) Be secretary of the county board of health and keep full minutes of the proceedings of the county board of health in a book provided for that purpose;
(c) Be the chief administrative officer of the county health department.