A Taste for Human Flesh

When given a choice, Aedes aegypti mosquitoes, which transmit dangerous diseases like dengue, opt to bite humans rather than other animals.
 
Their taste for people is well known—but how did it come about?
 
It turns out they aren’t so much drawn by our charms, but the way humans store water in hot, dry climates—water that mosquitoes need in order to lay eggs, according to a new Current Biology study of mozzie biting preferences across sub-Saharan Africa.
 
This insight could lead to more sophisticated disease forecasting.
 
NPR Goats and Soda

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