I disagree.
Prevention of animal diseases involves surveillance for animal diseases, contingency planning, and disease eradication.
Prevention
Vaccination is the most effective tool for prevention of infectious diseases.
Elisha Harris has written: 'Pestilential diseases, and the laws which govern their propagation' 'Hints for the control and prevention of infectious diseases' -- subject(s): Communicable diseases, Prevention
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William Jephtha Calvert has written: 'Prevention of contagious diseases in school children' -- subject(s): Communicable diseases, Prevention, School hygiene
Health Education teaches the proper way to improve one's health, and can involve only one or two people, or the population of world. By this people are able to learn how to prevent the spread of communicable diseases through the training and methods being taught in education. People are able to have better access to information regarding general prevention of diseases, including the knowledge of what to do and how to act during the epidemics.
periodontist
Hematologists study the blood and blood disorders and diseases. They also usually teach and study the prevention of these diseases.
bariatrics
The Center for Disease Control and Prevention is responsible for the protection of persons and public safety by controlling diseases which can be harmful and infectious to others. They also research non infectious diseases such as diabetes.