Map: How Zika Spread

January 29, 2016

The Zika virus seems to have come out of nowhere, but health officials now worry the disease could infect as many as 4 million people worldwide in 2016 alone. The World Health Organization says the disease is “spreading explosively.” But where did Zika come from? And how did it spread so fast? Click below to begin.


Katie Worth

Katie Worth, Tow Journalism Fellow, FRONTLINE/Columbia Journalism Fellowship


Dan Nolan

Dan Nolan, Lead Designer for Digital, FRONTLINE



In order to foster a civil and literate discussion that respects all participants, FRONTLINE has the following guidelines for commentary. By submitting comments here, you are consenting to these rules:

Readers' comments that include profanity, obscenity, personal attacks, harassment, or are defamatory, sexist, racist, violate a third party's right to privacy, or are otherwise inappropriate, will be removed. Entries that are unsigned or are "signed" by someone other than the actual author will be removed. We reserve the right to not post comments that are more than 400 words. We will take steps to block users who repeatedly violate our commenting rules, terms of use, or privacy policies. You are fully responsible for your comments.

blog comments powered by Disqus