Image taken on Feb. 17, 2016 shows Dr. Juan Garcia, director of the Center for Parasitological Studies and Vectors (CEPAVE) of the Faculty of Natural Sciences of La Plata National University, holding a bottle with Aedes aegypti mosquitoes sheltered for study at one of the Centre laboratories, in La Plata city, Argentina. CEPAVE scientists are working on a biological incecticide to fight the moquito that tramsmits the zika, dengue and chikungunya fever. (Xinhua/Martin Zabala)
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