Which of the following animals is the direct source of exposure of the bacterium that causes the plague to humans?
A) Fleas
B) Squirrels
C) Rats
D) Bees

Name: Which of the following animals is the direct source of exposure of the bacterium that causes the plague to humans? A) Fleas B) Squirrels C) Rats D) Bees
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Question

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Fleas are the direct source of exposure of the bacterium (Yersinia pestis) that causes the plague to humans, as they transmit the bacterium from infected rodents to humans through their bites.

Which of the Following Animals Is the Direct Source of Exposure