Until recently, Zika--once considered a mild disease--was hardly a cause for global panic. But as early as August 2015, doctors in northeast Brazil began to notice a trend: many mothers who had recently experienced symptoms of the Zika virus were giving birth to babies with microcephaly, a serious disorder characterized by unusually small heads and brain damage.
By early 2016, Zika was making headlines as evidence mounted--and eventually confirmed--that microcephaly is caused by the virus, which can be contracted through mosquito bites or sexually transmitted.
The first death...
Until recently, Zika--once considered a mild disease--was hardly a cause for global panic. But as early as August 2015, doctors in northeast Brazil...
