Sodoku (鼠毒) is a bacterial zoonotic disease. It is caused by the gram-negative rod Spirillum minus (also known as Spirillium minor). It is a form of rat-bite fever (RBF). ==Causes== The infections are acquired through rat bites or scratches. It can occur as nosocomial infections (i.e., acquired from hospitals), or due to exposure or close asso... Found on http://en.wikipedia.org/wiki/Sodoku