Hepatitis A Virus Discovered to Cloak Itself in Membranes Hijacked from Infected Cells (image) University of North Carolina Health Care Share Print E-Mail Caption A pathogenic picornavirus acquires an envelope by hijacking cellular membranes. Credit Nature (2013), Published online March 31, 2013. Usage Restrictions None 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.