Which of the Following Correctly Describes Climate Change Impact on Dengue

Which of the following correctly describes climate change impact on dengue fever,an infectious tropical disease carried by mosquitoes?

A) It has been nearly wiped out because of climate change related shifts in subtropical high pressure cells.
B) It has spread to previously unaffected areas due to changes in climatic conditions.
C) It has never been reported in the U.S.,but scientists fear it may arrive due to expansion of Aedes aegypti mosquitoes.
D) It has shifted equatorward due to desertification in the subtropics.

Correct Answer:

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