Answer: licensed practical nurse
Step-by-step explanation:
A licensed practical nurse is a health and medical science career which mostly is associated with the promotion of community health and wellness and the practical nurse is there to talk with people about what is best for them.
Vaccine development is an incorrect answer because it is a career where the person is working in order to prevent diseases.
An environmental engineer is more likely to do jobs associated with the environment.
An Epidemiologist is looking out that there is no spreading of diseases.