Mosquitoes Are a Choice

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They engineered the same gene into male Aedes aegypti, the mosquito that spreads dengue and yellow fever. Local authorities were eager to use genetically modified mosquitoes and in 2021, Oxitec ran the first field trials in the United States that demonstrated female mosquitoes that inherited the gene died before adulthood. They also confirmed that Wolbachia-infected male mosquitoes that mate with wild females produce eggs that don’t hatch, making them effectively sterile without infected females to mate with.

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