First Observation of Leptospira interrogans in the Lungs of Rattus norvegicus

Figure 2

Histopathological examination of the kidney and lungs of wild rats naturally infected with Leptospira using Warthin-Starry silver stain. (a, c) Renal sections obtained from two rats, DTO14 and DTO16, showing dense Leptospira colonization in the renal tubules (approximately 3 μm thick) (arrows). (b, d) Pulmonary sections from the same rats showing the presence of leptospires (arrows) on the bronchial epithelium. (e, f) Renal and pulmonary sections of the third rat, which was negative.

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