Why is Aedes so good at being a vector?

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Seeing the Zika virus epidemic in South America it is hard to believe that just 50 years ago the Aedes mosquitoes that spread it  and several other tropical diseases were nearly eliminated in that region. Ever since then it seems we have been going backwards in mosquito control. Aedes aegypti seems to be adapted to city life and is thriving in the rapidly growing mega cities of South America.

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