Contents

08 November 1996
Vol 274, Issue 5289

About The Cover

Sites of production and storage of human immunodeficiency virus (HIV) in lymphoid tissue, reconstructed in three dimensions from images of HIV RNA in 66 tissue sections. Red-colored infected cells surround, or are enmeshed, in a yellowish cloud representing viral particles associated with follicular dendritic cells. See 985. [Image reconstruction: Gerald Sedgewick, Zhi-Qiang Zhang, Nam Pham, Biomedical Image Processing Laboratory, University of Minnesota]