Leptospirosis in Humans - Includes cause, people at risk, symptoms, and complications. MedicineNet: Leptospirosis - Doctor produced consumer health information on leptospirosis, including symptoms, diagnosis and treatment. eMedicine - Leptospirosis - Article by Judith Green-McKenzie, MD, MPH. eMedicine - Leptospirosis - Article by Matthew R Jezior, MD. eMedicine - Leptospirosis - Article by Patrick W Hickey, MD. NHS Choices: Leptospirosis - Provides information on this zoonotic infection. Includes details of symptoms, causes, diagnosis, treatment and prevention. The Merck Manual: Leptospirosis - Short factsheet on the disease. CDC Travelers' Health Information on Leptospirosis - Includes risk for travelers, cause, prevention, and treatment. Medmicro: Leptospira - Scientific and medical information about the spirochete and the diseases it causes. MedlinePlus Medical Encyclopedia: Leptospirosis - Features cause, symptoms, treatment, diagnosis, prevention, risk factors, and complications.