Joacim Rock, Umea University (IMAGE) Umea University Caption Associate Professor Joacim Rocklöv at the Unit of Epidemiology and Global Health at Umeå University in Sweden helps stop spread of Zika in Europe. Credit Mattias Pettersson, Umeå University Usage Restrictions This photo may only be used in the context of this news release. 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.