Which of the following best describes a vector?
a. the point at which an infection entering the body intersects with an infection leaving the body
b. the area of initial bite or contact by the disease-bearing animal or insect
c. a person or animal who is infected with an organism but does not have the disease
d. an animal or insect that carries the infectious organism from one host to another
D
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A Incorrect. A vector is not best described as the point at which an infection entering the body intersects with an infection leaving the body.
B Incorrect. A vector is not best described as the area of initial bite or contact by the disease-bearing animal or insect.
C Incorrect. A vector is not best described as a person or animal who is infected with an organism but does not have the disease.
D Correct. A vector is best described as an animal or insect that carries the infectious organism from one host to another.
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