A 10yo boy obtained a pet rat from a commercial pet store. Upon returning home, his new pet promptly bit him. 5 days later, he has fever, chills, severe headache, polyarthralgias, and a maculopapular rash with some petechiae that developed after 2 days of fever. What organism is the most likely cause for the boy’s symptoms?

A. Staphylococcus aureus

B. Group A Streptococcus pyogenes

C. Eikenella corrodens

D. Rabies virus

E. Streptobacillus moniliformus