(A)   When the Secretary of the Board of Health has knowledge or notice of a case of smallpox, scarlet fever, diphtheria, measles, cholera or any other contagious or infectious disease he or she shall cause cards or flags of warning not less than 12 inches square to be fastened to the front door, or other conspicuous place in the building where the sickness prevails.  The card or flag for smallpox shall be red and shall have printed thereon “smallpox,” for scarlet fever, measles and diphtheria it shall be yellow and have “scarlet fever,” “measles” or “diphtheria” printed thereon in large letters, for cholera a black flag or card having “cholera” printed thereon and white letters shall be used.
   (B)   It shall be unlawful for any person to remove or cause to be removed any card or flag described in division (A) above from any building where the card or flag has been posted until a certificate is made by the attending physician to the Secretary of the Board of Health, that the disease has subsided and all danger from contagion by reason of the disease is past and that proper disinfections have been accomplished.
(Prior Code, § 95.14)  Penalty, see § 10.99