“urban district”, in relation to an urban local authority, means the area under the jurisdiction of that urban local authority, and “urban area” has a corresponding meaning; (2) With the approval of the appropriate Minister, the Minister may by statutory instrument designate a rural district council or local board or any other body or authority to be a local authority for the purposes of this Act, and— (a) may, in the case of a rural district council, declare a greater or lesser area than the council area to be a district in relation to such rural district council; (b) shall, in relation to such other body or authority, specify the area which shall be a district in relation to such body or authority. PART II ADMINISTRATION 3 Ministry responsible for public health (1) The Ministry shall be under the control of the Minister. (2) The functions of the Ministry shall, subject to this Act, be— (a) to prevent and guard against the introduction of disease from outside; (b) to promote the public health, and the prevention, limitation or suppression of infectious and contagious diseases within Zimbabwe; (c) to advise and assist local authorities in regard to matters affecting public health; (d) to promote or carry out researches and investigations in connection with the prevention or treatment of human diseases; (e) to prepare and publish reports and statistics or other information relative to the public health; (f) generally to administer the provisions of this Act. 4 Establishment of Advisory Board of Public Health (1) The Minister may, for the purposes of this Act, establish a body to be known as the Advisory Board of Public Health which shall consist of the following members, who shall be appointed by the Minister and who shall, subject to any regulations which may be made under subsection (8), hold office for three years and who shall be eligible for reappointment for like periods— (a) a chairman, who shall not be a medical practitioner and who shall preside at meetings of the Board; (b) a deputy chairman, who shall not be a medical practitioner and who shall preside at meetings of the Board in the absence of the chairman; (c) two members, who shall be medical practitioners, to represent the Zimbabwe Medical Association; (d) one member to represent local authorities; (e) one member to represent bodies who perform the functions of medical aid societies; (f) one member, who shall be a medical practitioner, to represent missionary bodies carrying on activities in the field of public health; (g) one member, who shall be a registered nurse or mid-wife, to represent the Zimbabwe Nurses Association; (h) one member, who shall be a dental practitioner, to represent the Dental Association of Zimbabwe; (i) one member, who shall be a registered pharmaceutical chemist, to represent the Pharmaceutical Society of Zimbabwe; (j) one member to represent the Zimbabwe Red Cross, the Saint John Ambulance Association, the Saint John Ambulance Brigade and other similar bodies; (k) one member to represent trade unions; (l) one member to represent the women’s voluntary associations carrying on activities in the field of public health; (m) such additional members, not exceeding four, as the Minister may appoint. (2) The Secretary shall be ex officio a member of the Board. (3) Before making an appointment in terms of subsection (1) the Minister may, in his discretion, call upon a body which, whether itself or in conjunction with other bodies, is entitled to be represented in terms of that subsection, to nominate such number of persons as the Minister may determine who, in its opinion, are suitable and available for appointment as members of the Board: Provided that the Minister may— (a) appoint a person to be a member of the Board who has not been so nominated and may decline to appoint any person so nominated; (b) where he has called for nominations in terms of this subsection in respect of any appointment to the Board and no nominations have been made in respect of such appointment within such period as he may determine when calling for such nominations, appoint any person to be a member of the Board whether