An anonymous reader writes: The Brazilian government have decided to try battling the spread of dengue fever with GM mosquitoes. 'Now, with dengue endemic in three of the host cities for this summer’s World Cup , Brazilian health officials are trying a radical new approach — biotechnology. They’ve begun a two-year trial release of Aedes aegypti mosquitoes that have been genetically modified. "We need to provide the government alternatives because the system we are using now in Brazil doesn’t work," says Aldo Malavasi, president of Moscamed, the Brazilian company that’s running the trial from a lab just outside of Jacobina. The new breed of Aedes aegypti has been given a lethal gene. The deadly flaw is kept in check in the lab, but the mosquitoes soon die in the wild.'
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