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An Aedes aegypti mosquito is photographed in a laboratory at the University of El Salvador, in San Salvador, on February 3, 2016. Health authorities continue their efforts to eliminate the mosquito, vector of the Zika virus, which might cause microcephaly and Guillain-Barré syndrome in unborn babies. AFP PHOTO/Marvin RECINOS  / AFP / Marvin RECINOS        (Photo credit should read MARVIN RECINOS/AFP/Getty Images)
An Aedes aegypti mosquito is photographed in a laboratory at the University of El Salvador, in San Salvador, on February 3, 2016. Health authorities continue their efforts to eliminate the mosquito, vector of the Zika virus, which might cause microcephaly and Guillain-Barré syndrome in unborn babies. AFP PHOTO/Marvin RECINOS  / AFP / Marvin RECINOS        (Photo credit should read MARVIN RECINOS/AFP/Getty Images)

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Brazil introduces mosquito killer billboards

The country is turning to technology in the fight against Zika ahead of the Olympics.