The Lexington-Fayette County Health Department Interim Executive Director Jack Cornett has announced his resignation.According to Kevin Hall, a spokesperson for the health department, Cornetts resignation is effective Oct. 11.The health departments search for a commissioner has lasted for 16 months. Cornett has served as interim since Dr. Sheila Owens-Collins, who served three months in the position, was fired in April 2023.Prior to that, Dr. Joel McCullough was hired in December 2021 but resigned in July 2022.