All officers and employees of the State Department of Health, who, on July 1, 1978, are serving in the state civil service, other than as temporary employees, and engaged in the performance of a function vested in the Office of Statewide Planning and Development by Section 127015 shall be transferred to the office. The status, positions, and rights of these persons shall not be affected by the transfer and shall be retained by them as officers and employees of the office, pursuant to the State Civil Service Act except as to positions exempted from civil service.