Lefrancols et al. Vol. 189, No. 10, May 17,1999. Pages 1631-1638.

The authors regret the inadvertent omission of a coauthor, Michael P. Schön. The revised title page information appears below.

The Role of β7 Integrins in CD8 T Cell Trafficking During an Antiviral Immune Response

By Leo Lefrançois,* Christina M. Parker, Sara Olson,* Werner Muller,§ Norbert Wagner,§ Michael P. Schön, and Lynn Puddington*

From the *Division of Rheumatic Diseases, University of Connecticut Health Center, Farmington, Connecticut 06037; the Lymphocyte Biology Section, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115; and the §Institute for Genetics, University of Cologne, 50937 Cologne, Germany