Infected Zika Virus Mosquitoes Can Now be Detected by a New Tool

by Rishika Gupta on May 25, 2018 at 10:34 PM
Infected Zika Virus Mosquitoes Can Now be Detected by a New Tool

A New Noninvasive infrared detector can now detect infected Zika Virus Mosquitoes, this could help the scientists anticipate the onset of disease and thereby take proper measures to eradicate the disease.

Zika is a mosquito-borne virus that can cause abnormalities in unborn babies and is linked to the rare paralyzing condition called Guillain-Barre Syndrome (GBS).


While the accelerating global spread of arboviruses, such as Zika virus (ZIKV), highlights the need for more proactive mosquito surveillance, a major challenge has been the lack of rapid and affordable tests for pathogen detection in mosquitoes.

The study, appearing in the journal Science Advances, shows for the first time that near-infrared spectroscopy (NIRS) is a rapid, reagent-free, and cost-effective tool that can be used to detect ZIKV in heads and thoraces of intact Aedes noninvasively aegypti mosquitoes.

The method showed a 94 to 99 percent accuracy rate and was 18-times faster and 110-times cheaper at detecting Zika infected mosquitoes, than the currently used methods.

"We can quickly identify mosquitoes that are infected with Zika virus so public health authorities can treat affected areas before the disease spreads to humans," said Maggy Sikulu-Lord the University of Queensland in Australia.

"This is definitely going to be a game-changer in disease surveillance, especially in the prediction of disease outbreaks.

NIRS involves simply shining a beam of light on a mosquito and using that information one can determine if the mosquito is infected.

"We hope public health authorities can use it to predict future disease outbreaks and save lives by treating mosquito populations in time," Sikulu-Lord said.

She said the technology had potential to detect a number of diseases, including dengue and malaria.

"We don't think it will eradicate diseases but it will give us the ability to detect diseases quickly so that we can stop disease outbreaks," Sikulu-Lord noted.

Source: IANS
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