Whenever it shall come to the knowledge of the director of public health that any infectious or contagious diseases exist or are likely to exist among the school children or pupils attending the public schools of the city or private schools, it shall be the duty of such officer to immediately examine and investigate the condition of any such school, or of any child or pupil attending same for the purpose of ascertaining if there exists any contagious or infectious disease, or is likely to exist any contagious infectious disease. If any pupil or child attending any school is found with any contagious disease, he shall, upon the order of the officer, discontinue his attendance at the school, and shall not return or attempt to return to same until the infectious or contagious disease is entirely cured. It shall be the duty of the teacher, principal or superintendent in charge of such pupil, child or school to disallow and prohibit the child or pupil from attending the school until such child or pupil is entirely cured and freed from any contagious or infectious disease. (Ord. 7802)