Nevada Public Health and Safety Sec. § 439.290 County health officer: Appointment; qualifications; term. 1.On or before January 1 next following each general election, the board of county commissioners shall appoint a county health officer for the county. 2.The county health officer must be appointed on the basis of his or her graduate education in public health, training, experience and interest in public health and related programs. 3.The term of office of the county health officer is 2 years or until a successor has been appointed and qualified.