7 links
CDC Travelers' Health Information on Leptospirosis
cdc.gov
Includes risk for travelers, cause, prevention, and treatment.
MedicineNet: Leptospirosis
medicinenet.com
Doctor produced consumer health information on leptospirosis, including symptoms, diagnosis and treatment.
MedlinePlus Medical Encyclopedia: Leptospirosis
nlm.nih.gov
Features cause, symptoms, treatment, diagnosis, prevention, risk factors, and complications.
WHO: Water-related Diseases - Leptospirosis
ho.int
Factsheet with cause, distribution, scope of the problem, and prevention efforts.