 
Veterinarians prevent, diagnose, and treat diseases, disorders, and injuries in animals. Those who do similar work for humans include
chiropractors,
dentists,
optometrists,
physicians and surgeons, and
podiatrists. Veterinarians have extensive training in physical and life sciences, and some do scientific and medical research, closely paralleling the work of
biological scientists and
medical scientists.
Animal care and service workers and
veterinary technologists and technicians work extensively with animals. Like veterinarians, they must have patience and feel comfortable with animals. However, the level of training required for these occupations is substantially less than that needed by veterinarians.
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