By affirmative vote of:
1. The boards of county commissioners of two or more counties;
2. The governing bodies of two or more cities or towns within any county; or
3. The board of county commissioners and the governing body or bodies of any incorporated city or cities, town or towns, in such county,
Ê and with the approval of the State Board of Health, there may be created a health district with a health department consisting of a district health officer and a district board of health.