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May 5, 2021 01:00 pm

First Genetically Modified Mosquitoes Released In the United States

A biotechnology firm has released genetically modified mosquitoes into the United States for the first time. Long-time Slashdot reader clovis shares the report via Nature: The experiment, launched this week in the Florida Keys -- over the objections of some local critics -- tests a method for suppressing populations of wild Aedes aegypti mosquitoes, which can carry diseases such as Zika, dengue, chikungunya and yellow fever. [...] Aedes aegypti makes up about 4% of the mosquito population in the Keys, a chain of tropical islands off the southern tip of Florida. But it is responsible for practically all mosquito-borne disease transmitted to humans in the region, according to the Florida Keys Mosquito Control District (FKMCD), which is working closely with Oxitec on the project. [...] In late April of this year, project researchers placed boxes containing Oxitec's mosquito eggs at six locations in three areas of the Keys. The first males are expected to emerge within the first two weeks of May. About 12,000 males will exit the boxes each week over the next 12 weeks. In a second phase later this year, intended to collect even more data, nearly 20 million mosquitoes will emerge over a period of about 16 weeks, according to Oxitec. "There is the usual opposition of the 'It's GMO, so it should not be done' variety," adds clovis. "As for ecological food chain considerations, one should know that aedes aegypti is not native to the western hemisphere. It is believed to have been imported from Africa during the slave trade era."

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