The modified mosquitoes thrived for 3 years, and cases of dengue had been lowered by 77% in areas the place they had been launched, the researchers reported in the New England Journal of Medicine.

The mosquitoes are contaminated with micro organism known as Wolbachia, which not solely intrude with the flexibility of viruses to dwell in the our bodies of the bugs, however which additionally management replica in order that the mosquitoes solely have Wolbachia-infected offspring. The result’s a rising inhabitants of bugs that do not cross on viruses resembling dengue, yellow fever and Zika.

First-ever US release of genetically modified mosquitoes begins in Florida KeysFirst-ever US release of genetically modified mosquitoes begins in Florida Keys

The research concerned greater than 8,000 folks, about half of whom lived in areas the place the modified Aedes aegypti mosquitoes had been residing and breeding.

Dengue fever was recognized in 9.4% of these residing in areas with non-modified mosquitoes, and a couple of.3% of individuals residing in areas the place the modified mosquitoes had been launched. “The protective efficacy of the intervention was 77.1%,” the researchers wrote.

“There have been very few randomized trials of interventions against the dengue mosquito,” Dr. Katie Anders of the World Mosquito Program, which helped sponsor the trial, mentioned in an announcement.

“These trial results from Yogyakarta show conclusively that Wolbachia works to reduce dengue incidence and dengue hospitalizations,” she added.

The mosquitoes have additionally been examined in the Florida Keys and Australia.

As many as 400 million folks get infected with dengue yearly, in keeping with the US Centers for Disease Control and Prevention. The virus, which has 4 strains, sickens 100 million folks a 12 months and it kills 22,000 a 12 months.

“Indonesia has more than 7 million dengue cases every year,” mentioned Adi Utarini of the University of Gadjah Mada, who labored on the research. “We think there is a possible future where residents of Indonesian cities can live free of dengue.”


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