Every person suffering from any of the diseases mentioned in Section 19-61 shall isolate himself and every person in charge of such a person shall isolate the person of whom he is in charge in the following manner: When the disease is smallpox, the person affected shall be placed in absolute quarantine; when the disease is diphtheria, acute poliomyelitis or scarlet fever, the person affected shall be placed in modified quarantine; when the disease is epidemic meningitis, the person affected shall be placed in modified isolation; when the disease is malaria, yellow fever, dengue or encephalitis, the person affected shall be kept in a screened room free from mosquitoes until the infection organism is no longer found in the blood; when the disease is any of the others mentioned in Section 19-61, the person affected shall be so restricted in movement that the disease will not spread from him to others. No person other than the physician or person in charge of or in attendance upon the patient shall enter any premises, room or apartment quarantined for a communicable disease in violation of the terms of the quarantine. No person shall wilfully or negligently expose any other person to a communicable disease. (Ord. Nos. 4404; 5869)