Haverhill fever
Haverhill fever ( or epidemic arthritic erythema ) is a form of "rat-bite fever" caused by the bacterium "Streptobacillus moniliformis" , an organism common in rats and mice . 
<triplet> Haverhill fever <subj> rat-bite fever <obj> subclass of <subj> Streptobacillus moniliformis <obj> has cause <triplet> Streptobacillus moniliformis <subj> Haverhill fever <obj> has effect