It is made the duty of every physician, Christian Science practitioner or purported healer of any and every kind and character or name in the city, who visits for treatment, or treats any person for contagious sickness, no matter by what name the same may be designated by such physician or person, whether as illness, disease or error, or in what manner the same may be treated by such person, to report such contagious case immediately, in writing, to the health officer, either in person or through a regular physician called in for that purpose. It is also made their duty to report to such health officer all cases or suspected cases of Asiatic cholera, yellow fever, typhus fever, plague, smallpox, scarlet fever, diphtheria and all contagious, infectious and communicable diseases, which are required by the rules of the State Board of Health to be reported to such board. (Prior code § 21.02.004)