About the Cover
Cover picture: Fibroblasts function as host cells for the protozoan parasite Leishmania major during the clinically latent stage of the infection in vivo. The image shows an L. major amastigote (immunoperoxidase staining) within a fibroblast cell line after infection in vitro (original magnification: x1,000). See related article in this issue by Bogdan et al., pp. 2121-2129.
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