Texas Considers GM Mosquitoes

In an effort to prevent the spread of Zika virus, Harris County officials are in discussions with Oxitec to release insects engineered to produce short-lived offspring.

Written byKerry Grens
| 1 min read

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FLICKR, NIAIDHealth officials in Harris County, Texas, which includes the city of Houston, are weighing the possibility of deploying genetically modified mosquitoes to fend off Zika, the Houston Chronicle reported earlier this month (March 19). These male Aedes aegypti, developed by U.K.-based Oxitec, are designed so that their offspring die young, before they spread disease.

Oxitec has reported success in reducing mosquito populations in field sites in Brazil, Panama, and elsewhere. Yet, a proposal to introduce the insects in Florida was shot down by residents last year and the company is looking for another town in the state to the project.

“It looks like we’re going to do or plan to do some sort of trial initially to test out the system,” Deric Nimmo, principal scientist at Oxitec, told the Houston Chronicle.

“We’re not abandoning the tried-and-true” approaches to mosquito control, Harris County Precinct 4 Commissioner Jack Cagle told the newspaper. “We’re willing to see—What can we add to the tried-and-true that can make this better, especially considering that the tried-and-true has some flaws?” The county will begin sampling mosquitoes ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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