Andenovirus with Protein Shield (IMAGE) University of Zurich Caption The adenovirus (left) camouflages itself from the immune system thanks to its protective coat (right). Credit University of Zurich 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.