Leptospirosis or ornithosis is an acute, less often chronic, infectious disease caused by specific spirochetes and characterized by fever, general intoxication, damage to the kidney vessels and often a severe course with damage to the liver and nervous system. Clinical manifestations of the disease are quite varied and include: fever, hemorrhagic rashes, muscle pain, headache, polyarthritis and jaundice. The source of infection is a sick person who releases Leffler-Wenheim bacilli, or, as they are otherwise called, larviform bacilli, into the external environment with urine, feces, saliva and mucus from the genitals. Basically, the disease develops after consuming contaminated drinking water or food products, especially the meat of sick animals, as well as when