New Zika Vaccine Candidate (IMAGE) Arizona State University Caption ASU Biodesign Institute scientist Qiang 'Shawn' Chen has led his research team to develop the world's first plant-based Zika vaccine that could be more potent, safer and cheaper to produce than any other efforts to date. Credit Jason Drees, Biodesign Institute, Arizona State University 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.