6 Colo. Code Regs. § 1009-1, reg. Regulation 6
Whenever a county, district, or municipal public health agency learns of a case of a reportable disease or an epidemic or communicable disease exposure potentially threatening to public health, it shall notify the Department in a timely manner, usually within the timeframe for reporting in Regulation 1.
The Department shall, in turn, notify the appropriate county, district, or municipal public health agency in a timely manner, usually within the timeframe for reporting in Regulation 1, whenever it learns of a case of a reportable disease or it learns of an epidemic or communicable disease exposure potentially threatening to public health.
These requirements shall not apply if the Department and county, district, or municipal public health agencies mutually agree not to share information on reported cases.
Sharing of medical information on persons with reportable diseases between authorized personnel of the Department and county, district, or municipal public health agencies shall be restricted to information necessary for the treatment, control, investigation, and prevention of epidemic and communicable diseases dangerous to public health.
6 CCR 1009-1, reg. Regulation 6