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Study Sees Way to Limit Mosquitoes’ Ability to Spread Zika


An Aedes Aegypti mosquito photographed on human skin. PHOTO: AGENCE FRANCE-PRESSE/GETTY IMAGES

CLICK HERE - STUDY - Cell Host & Microbe - Wolbachia Blocks Currently Circulating Zika Virus Isolates in Brazilian Aedes aegypti Mosquitoes

Presence of Wolbachia bacterium in the insects seen limiting their ability to transmit the rapidly spreading virus - by REED JOHNSON, ROGERIO JELMAYER, and BETSY MCKAY - May 4, 2016

Introducing a common bacterium into a species of mosquitoes drastically limits the insects’ ability to transmit the dangerous Zika virus that has been spreading rapidly, according to researchers at Brazil’s leading medical-research institute.

In a new study published on Wednesday in the journal Cell Host & Microbe, researchers at the Oswaldo Cruz Foundation (Fiocruz), in Rio de Janeiro, said their experiments have shown that injecting Aedes aegypti mosquito eggs with the Wolbachia bacterium makes the eventual adult mosquitoes highly resistant to the Zika virus, thereby limiting their ability to spread it.

The findings represent a potentially important step in combating the spread of the Zika virus, which has raced across much of the Americas, reaching epidemic proportions in parts of Brazil, where health authorities say it has caused a surge in cases of babies born with serious brain abnormalities.



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