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How Mosquitoes Sniff Out Human Sweat To Find Us

Female mosquitoes searching for a meal of blood detect people partly by using a special olfactory receptor to home in on our sweat. The finding could lead to new approaches for better repellents.
Female mosquitoes searching for a meal of blood detect people partly by using a special olfactory receptor to home in on our sweat.

Mosquitoes searching for a meal of blood use a variety of clues to track down humans, including our body heat and the carbon dioxide in our breath. Now, research shows that a certain olfactory receptor in their antennae also serves as a detector of humans, responding to smelly chemicals in our sweat.

Targeting this receptor might offer a new way to foil blood-seeking mosquitoes and prevent the transmission of diseases including malaria, Zika virus and dengue, according to the study published Thursday in the journal Current Biology.

"We found a receptor for human, a neurogeneticist at Florida International University in Miami.

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