Blocking Viral Budding (IMAGE) University of Pennsylvania Caption This is an inhibiting calcium signaling prevented hemorrhagic viruses (in green) from escaping from a host cell, stopping their spread. Credit University of Pennsylvania Usage Restrictions In context of reporting 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.