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20 million mosquitoes to hit Fresno; that's a good thing, really

Male mosquitoes don't bite, so Fresno residents won't be spending summer itching more than normal

netically modified male Aedes aegypti mosquitoes are pictured at Oxitec factory in Piracicaba, Brazil
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netically modified male Aedes aegypti mosquitoes are pictured at Oxitec factory in Piracicaba, Brazil

Caroline Chen | Bloomberg
A giant technology company will release up to 20 million bacteria-filled, buzzing mosquitoes this summer in Fresno, California.

That’s supposed to be a good thing. 

The bug campaign, which starts Friday, is part of a plan by Alphabet’s Verily Life Sciences unit. Reared by machines, the male mosquitoes are infected with a bacteria that, while harmless to humans, creates nonhatching dead eggs when they mate with wild females — hopefully cutting the mosquito population and the transmission of the diseases they carry.

The swarm’s target is Aedes aegypti, a mosquito breed that carries viruses like zika, dengue and chikungunya. They’re an invasive species