Contents

16 May 2006
Vol 2006, Issue 335

About The Cover

Cover image expansion

COVER This week's Focus Issue, published to complement the Science Special Issue on Virology, contains an Editorial Guide as well as Reviews on signaling by the gamma herpesviruses and signaling during pathogen infection and a Perspective on viral manipulation of cullin RING ubiquitin ligases. The image depicts the actin tail of a vaccinia virus. [Image: Christopher Bickel, AAAS]