Miss. Code Ann. § 41-23-5

The State Department of Health shall have the authority to investigate and control the causes of epidemic, infectious and other disease affecting the public health, including the authority to establish, maintain and enforce isolation and quarantine, and in pursuance thereof, to exercise such physical control over property and individuals as the department may find necessary for the protection of the public health. The State Department of Health is further authorized and empowered to require the temporary detainment of individuals for disease control purposes based upon violation of any order of the State Health Officer. For the purpose of enforcing such orders of the State Health Officer, persons employed by the department as investigators shall have general arrest powers. All law enforcement officers are authorized and directed to assist in the enforcement of such orders of the State Health Officer.