Down to Earth - - HEALTH - Source: Eco­log­i­cal As­pects for Ap­pli­ca­tion of Ge­net­i­cally Mod­i­fied Mosquitoes, edited by W Takken and TW Scott, 2003

The Cay­man gov­ern­ment com­pleted a small-scale fea­si­bil­ity study with GM Aedes, which ad­dressed how long GM mosquitoes lived, how far they flew and whether they would mate with fe­male mosquitoes. About 19,000 ster­ile mosquitoes were re­leased over 10 ha for a four-week pe­riod. It ran into con­tro­ver­sies over method­ol­ogy

In 2014, Brazil be­came the first coun­try to com­mer­cially al­low the use of GM mosquitoes. It used a mech­a­nism in which male Aedes

ae­gypti are in­jected with a lethal gene that re­sults in the death of the off­spring be­fore it reaches adult­hood

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