In an effort to reduce the swarms of Zika virus-carrying mosquitoes in Fresno, Calif., officials will release millions of male mosquitoes that have been infected with bacteria that makes the blood suckers unable to reproduce.
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Aedes aegypti mosquitoes are an invasive species that arrived in California's Central Valley in 2013. Along with Zika, they can also carry dengue fever and chikungunya viruses, the Washington Post reported.
When male mosquitoes which don't bite that are infected with the Wolbachia bacteria mate with female mosquitoes, the females' eggs don't hatch.
Through the program, Fresno County officials hope to reduce the numbers of of Aedes aegypti mosquitoes generation by generation, eventually eliminating them from the area, the Post reported.
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