Pulmonary haemorrhage as the earliest sign of severe leptospirosis in hamster model challenged with Leptospira interrogans strain HP358
Fig 3
Histopathological lesions in the lung of infected hamsters.
Congestion and haemorrhage occurred as early as day 1 p.i. while dilated and collapsed alveoli occurred on days 6 and 7 p.i. and in dead hamsters. CG: Congestion, H: Haemorrhage, CA: Collapsed alveoli, ST: Septal thickening, DA: Dilated alveoli. C: Control, D1-D7: Day 1- day 7 and DD: Dead. Magnification: x100, bar: 100 μm.