(1)    If a teacher, school nurse, or principal of any school or child care center knows or suspects that a communicable disease is present in the school or center, he or she shall at once notify the local health officer.

   (6)   Any teacher, school nurse or principal may send home pupils who are suspected of having a communicable disease or any other disease the department specifies by rule. Any teacher, school nurse or principal who sends a pupil home shall immediately notify the parents of the pupil of the action and the reasons for the action. A teacher who sends a pupil home shall also notify the principal of the action and the reasons for the action.