Vaccinia Virus Can Escape Protein Cage that Traps Them in the Cell (video) Rockefeller University Press Share Print E-Mail Loading video... Caption Video shows a septin cage (green) assembling around a vaccinia virus particle (blue) in a human HeLa cell. The cage is then displaced by the assembly of an actin tail (red). Credit Pfanzelter et al., 2018 Usage Restrictions Reporters may freely use these materials in news coverage with the appropriate credit information. Share Print E-Mail 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.