Which of the following is not a mechanical vector?

Name: Which of the following is not a mechanical vector?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A fomite is an inanimate object that can carry a pathogen, such as a doorknob or a piece of clothing, and is therefore not considered a mechanical vector. Choices B, C, and D are all living organisms that can mechanically transmit pathogens. Choice E is not a valid answer, as it is a combination of a fomite and a human, both of which can be mechanical vectors in certain circumstances.

Which of the Following Is Not a Mechanical Vector