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Maryland Pesticide Applicator Category 8 Public Health (Mosquito Control) Practice Test

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West Nile Virus has been isolated from which species in nature?
Correct Answer:
Coquillettidia perturbans
Explanation:
West Nile Virus is passed between birds and mosquitoes in nature, and confirming the virus in wild-caught mosquitoes shows which species can act as natural vectors. Coquillettidia perturbans has had West Nile Virus isolated from field specimens, demonstrating it can harbor the virus in real-world conditions and potentially contribute to transmission. The other species listed have less consistent or evidence of natural isolation, so they are not the best example of a wild-caught carrier in nature.

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