Every practicing physician in the city is hereby required to report immediately to the director of public health every case of diphtheria, smallpox, influenza, scarlet fever or other contagious and infectious diseases that he may be called upon to attend. Such report shall be in writing and signed by such physician, and it shall be made within six hours after the discovery of such disease and shall state the name, sex, place of residence and color of the person afflicted with such disease and the character of such disease. (Ord. 7802)