Megaphone (IMAGE) Sax Institute Caption When public concern is high is can be almost impossible for public health officials to get their message across, no matter how hard they try. Credit miuenski via Foter.com / <a href="https://creativecommons.org/licenses/by-nc-sa/3.0/us/">CC BY-NC-SA</a> Usage Restrictions Attribution requested to miuenski via Foter.com / <a href="https://creativecommons.org/licenses/by-nc-sa/3.0/us/">CC BY-NC-SA</a> 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.