Whipple's disease is a chronic, multisystem disease that is caused by
Tropheryma whippelii infection. More information is now known about th
is unusual infectious process, which was once considered uniformly fat
al. Immunologic, diagnostic, and therapeutic advancements are reviewed
in this article. Hopefully, future advances in the basic and clinical
sciences will lead to a more rapid diagnosis, more complete understan
ding of the effects of infection, improved therapy, and better clinica
l outcome.