1. Up to 13 different genetic types of Leptospira may cause disease in humans.

2. Leptospira organisms have been found in cattle , pigs , horses , dogs , rodents , and wild animals .

3. The microscopic agglutination test (MAT) was conducted with 12 serovars belonging to 3 species of pathogenic Leptospira.

4. Vaccines for animals exist for certain type of Leptospira which may decrease the risk of spread to humans.

5. In 2001-2002 years, 495 serum samples were collected from healthy people, and were tested for antibodies to 15 Leptospira serovars using the microscopic agglutination test (MAT).