Division Laboratory Criteria

At least one of the following four:

• Isolation of Leptospira interrogans or any other pathogenic Leptospira spp. from a clinical specimen

• Detection of Leptospira interrogans or any other pathogenic Leptospira spp. nucleic acid in a clinical specimen

• Demonstration of Leptospira interrogans or any other pathogenic Leptospira spp. by immunofluorescence in a clinical specimen

• Leptospira interrogans or any other pathogenic Leptospira spp. specific antibody response