The board of county commissioners of any county of this state may establish within its county a full - time county health department and provide for the maintenance thereof. Full - time health departments shall be construed to be an organization under the immediate direction of a health officer and employing trained public health personnel who shall devote their entire working time to the prevention of disease and the promotion of public health. Source: SL 1953, ch 129 , § 1; SDC Supp 1960, § 27.18A01.