The nurse at a clinic notes that many students have come in from a particular high school with s/s of meningitis. She compares these numbers with previous years and notes that her suspicions are confirmed by 15 new cases. She contacts the school nurse, dean and health department. They work together to come up with a plan to assess all students and evaluate their vaccine protocols. This nurse was acting in the roles of ? (Select all that apply)
Select one or more of the following: