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Posts Tagged: Aedes aegypti

The World of Olivia Winokur

UC Davis doctoral student and mosquito researcher Olivia Winokur checks on mosquitoes in the walk-in chamber in the insectary. The chamber is set to 26 Celsius and 80 percent humidity to mimic tropical conditions. (Photo by Kathy Keatley Garvey)

Have you ever wondered what it's like to be a UC Davis doctoral student researching mosquitoes? Meet Olivia Winokur, an enthusiastic, dedicated and multi-talented medical entomologist whose childhood curiosity about a yellow fever vaccination sparked...

Posted on Wednesday, May 16, 2018 at 4:33 PM

Battling Dengue at a Field Station in Iquitos, Peru

This is Iquitos, Peru, known as the

UC Davis epidemiologist Amy Morrison knows Iquitos, Peru, like the back of her hand. Travelers know Iquitos as the "capital of the Peruvian Amazon" but scientists know it as a hot spot for dengue, a mosquito-borne viral disease with raging outbreaks in...

Posted on Tuesday, January 9, 2018 at 3:24 PM

Invasive Spotlight: Zika Virus

Adult female mosquito, Aedes egypti. [J. Gathany]

The Zika virus is spread to people mainly through the bite of an infected mosquito, mostly Aedes aegypti and Aedes albopictus. People can also get the Zika virus through sexual contact with an infected person, and the virus can also be passed from a...

Posted on Thursday, March 2, 2017 at 5:11 PM
Tags: Aedes aegypti (21), albopictus (2), bites (2), CDC (2), Centers for Disease Control (2), Consumer Reports (2), DEET (2), EPA (2), lemon eucalyptus (2), mosquito (2), Picardin (2), repellent (2), UC IPM (1), virus (2), West Nile (2), Zika (2)

UC Davis Researcher: What Repellents and Doses Are Best to Prevent Zika Virus

Working on zika-virus research are UC Davis chemical ecologist Walter Leal (foreground) and colleagues and co-authors Rosangela Barbosa (center) and graduate student Gabriel Faierstein of FIOCRUZ-PE, Recife, Brazil.

If you're traveling to—or living in--a Zika virus-infested area, it's far better to use DEET rather than Picaridin and to use higher, rather than lower, doses of DEET because lower doses do not work well with older mosquitoes, newly published...

Posted on Thursday, February 16, 2017 at 2:00 AM

Zeroing in on the Zika Virus at ICE 2016

Nobel Laureate Peter Agre (center), a keynote speaker at ICE 2016, is flanked by the ICE 2016 co-chairs,  Walter Leal (left) of UC Davis, and Alvin Simmons of the USDA/ARS, based in Charleston, S.C.

The yellow fever mosquito, Aedes aegypti, probably isn't the only mosquito that transmits the Zika virus. That's what UC Davis chemical ecologist Walter Leal, co-chair of the International Congress of Entomology (ICE 2016) recently held in Orlando,...

Posted on Thursday, October 20, 2016 at 3:55 PM

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