Answer:
B) Veterinarians treat and cure diseases, and epidemiologists examine the transmission and pattern of diseases.
Step-by-step explanation:
Veterinarians are doctors who are specialized to treat and cure animals. A doctor's (Veterinarian's) duty is primarily to treat a patient (animal) by either surgery or medication. Epidemiologists on the other hand are professionals which are specifically employed to study the transmission of an epidemic. Epidemic is a disease which is not restricted to a particular area instead it is spread rapidly from one region to another. Epidemiologists conduct research to study know the pattern of an epidemic and also to check how it is transmitted. They conduct research in collaboration with conversation with people affected by the epidemic.