1. It shall be unlawful for any person affected with, or exposed to, any contagious or infectious disease, to be upon any street or in any public place in the city; the purpose of this requirement is to avoid exposing other persons to such a disease.
2. It shall be unlawful for any parent, guardian or person having charge of any child or children to allow, or permit, such child or children to attend any classes, school or any gathering of people, or to appear upon any street or in any public place in the city while infected with, or exposed to, any contagious or infectious disease, or in any manner to allow other persons to be exposed to such a disease.
3. No person suffering from, or infected with, the communicable form of a venereal disease, shall engage in any occupation involving intimate contact with persons, food or food products.