Public health
Public health means a program to promote, maintain, and conserve the public's health by providing health services to individuals and/or by conducting research, investigations, examinations, training, and demonstrations. Public health services may include but are not limited to the control of communicable diseases, immunization, maternal and child health programs, sanitary engineering, sewage treatment and disposal, sanitation inspection and supervision, water purification and distribution, air pollution control, garbage and trash disposal, and the control and elimination of disease-carrying animals and insects.