Traffic Jam (IMAGE) Rockefeller University Caption The cold sore virus, shown in pink, inserts itself into TAP, a transporter protein whose function is key to the body's immune defenses. By jamming the transporter, the virus is able to hide from the immune system. Credit Laboratory of Membrane Biology and Biophysics at The Rockefeller University/Nature Usage Restrictions Image may be used only to illustrate the research described in the accompanying 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.