Zika Threat: Scientists, Doctors Call For Olympics to Be Postponed or Moved

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A biologist releases genetically modified mosquitoes in the city on February 11, 2016 in Piracicaba, Brazil. Technicians are releasing genetically modified mosquitoes Aedes Egypti to combat Zika virus
( Victor Moriyama / Getty )
Produced by Isabel Angell
PRI WNYC