CNA Explains: Singapore ramps up Wolbachia mosquito project. How does it work in the fight against dengue? & More News Here

WHY ARE THERE STILL DENGUE CASES IN THESE AREAS?

Small numbers of dengue instances should be reported in present examine websites. 

“This could be due to the presence of low-level dengue transmission, or because cases living in the area were infected elsewhere,” stated NEA.

“However, due to the low Aedes aegypti population in the study sites brought about by the releases of male Wolbachia-Aedes, we have seen significantly fewer dengue cases in study sites compared to areas without releases.”

NEA stated it usually takes at the very least three to 4 months earlier than there’s a important discount of Aedes aegypti inhabitants.

WHY ISN’T THE PROJECT EXPANDING FASTER OR USED IN DENGUE CLUSTERS?

Trials have been rolled out at a managed charge thus far. “Our trials start small and, if successful, progress in size and complexity,” stated NEA.

To deploy Project Wolbachia on a big scale, the company has to develop and check completely different deployment methods and techniques to swimsuit completely different contexts.

For occasion, NEA regularly expanded releases to cowl Tampines and Yishun cities fully early this 12 months, to search out out if the suppression of the mosquito inhabitants at the city degree may be sustained with the launch of fewer male Wolbachia-Aedes mosquitoes.

“This is important to allow Wolbachia technology to be sustainably deployed on a larger scale in the future,” stated the company. 

Similarly, the trial at the Marine Parade landed residential property, which began in April, goals to develop deployment techniques in such landscapes.

New websites for the mission are chosen based mostly on a number of elements: Historical dengue danger degree, Aedes aegypti inhabitants, the dimension and panorama of the space, in addition to NEA’s capability for producing and releasing male Wolbachia-Aedes mosquitoes.

Ultimately, Project Wolbachia was supposed for use as a safety measure. It was not primarily designed to be utilized to present dengue clusters, or as a real-time mosquito administration resolution, stated NEA.

SHOULD I KILL MOSQUITOES NEAR A PROJECT WOLBACHIA SITE?

Residents in websites the place male Wolbachia-Aedes mosquitoes are being launched don’t have to do something in a different way, based on NEA, which means you may proceed to kill mosquitos as you usually would.

The company famous that male mosquitos – regardless that they don’t chew – may nonetheless land on people as a result of they search out feminine mosquitos, that are prone to be discovered close to folks. 

Mosquitoes are drawn to quite a lot of cues produced by or related to people, together with visible cues like mild, color or motion, olfactory cues together with carbon dioxide, lactic acid and octenol and thermal cues like temperature and moisture, stated NEA.

Note that you just may nonetheless get bitten by mosquitos or different species not focused by Project Wolbachia, resembling the Aedes albopictus and Culex quinquefasciatus. 

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