An outbreak of Leptospirosis among United States military personnel in Guam.

Background: Leptospirosis is a bacterial zoonotic disease with worldwide distribution.

Case Presentation: We describe and discuss the clinical course of a leptospirosis outbreak in a running club called the hash house harriers on Guam.

Conclusions: Leptospirosis is a potentialy life threatening disease, and has had a reemergence given the popularity of travel adventure sports, teams, and clubs around the world.

Marker rescue mapping of the combined Condit/Dales collection of temperature-sensitive vaccinia virus mutants.

Complementation analysis of the combined Condit/Dales collection of vaccinia virus temperature-sensitive mutants has been reported (Lackner, C.A., D'Costa, S.