Del. Code Ann. tit. 16, § 110
Any former or present employee of the State Division of Public Health who was employed by the Wilmington Department of Health in the conduct of public health matters within the City of Wilmington and was so employed at the time the responsibility for the conduct of public health matters within the City of Wilmington was transferred to the State Division of Public Health (then State Board of Health) in implementation of 57 Del. Laws, c. 37 shall, subject to merit system maximums: