Public Health: the science and art of preventing disease, prolonging life and promoting health through organised efforts of society.
Intervention: the act or fact of interfering with a condition to modify it or with a process to change its course.
Communicable disease: a disease that can be communicated from one person to another.
Multi-disciplinary: of, relating to, or making use of several disciplines at once.
Commissioning: the act of granting certain powers or the authority to carry out a particular task or duty.