Leptospirosis is a bacterial infection which is acquired through direct or indirect contact with animals, especially rodents.
The commonest form, also called Weil's disease, is caused by Leptospira icterohaemorrhagiae. About 10 to 15% of patients with Weil's disease become severely ill with:
- a 'flu-like illness, followed by,
- renal impairment
The majority suffer a benign self-limiting illness without jaundice.
Leptospira canicola usually presents as an aseptic meningitis.