Why Zika Is This Year’s Scary Virus

By David Quammen It is “spreading explosively” in the Americas and may be the next public health emergency. Scary new viruses emerge abruptly in our modern world, provoking stark headlines and demands for bold government action—but in most cases the causes are complex and have developed, unnoticed, over years or decades. That’s true again for Zika, a virus unknown to … Continue reading →