Many international travelers to the 2016 Summer Olympics in Rio De Janeiro, Brazil, openly considered skipping the games to avoid the threat of Zika. Despite the fears, not a single case of Zika or its major neurological complication, microcephaly, was reported by foreign visitors. The near-paranoia — and the diversion of scarce resources to protect a low-risk population — could have been avoided by heeding the lessons of previous epidemics, argues a new study from public health researchers at UC Berkeley.
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