In 1908 , Inada and Ito first identified it as the causative organism and in 1916 noted its presence in rats .
Leptospira was first observed in 1907 from a post mortem renal tissue slice .
In 1908 , Inada and Ito first identified Leptospira as the causative organism and in 1916 noted Leptospira 's presence in rats .
Leptospira was first observed in 1907 from a post mortem renal tissue slice .