Zika (IMAGE) Harvard University Caption Zika virus (light blue) spreads through a three-dimensional model of a developing brain. Credit Max Salick and Nathaniel Kirkpatrick/Novartis Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.