Main Page | See live article | Alphabetical index Weil's disease is a rare infection caused by the bacterium Leptospira interrogans and can lead to death. It was classified in 1917. Humans are most commonly infected by contact with water that contains the urine of infected animals, usually rats. External Links http://www.plumbers.org.uk/health/weils_disease.html This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.