Via Harmonix dude Sean Baptiste's Twitter feed comes this dispatch from the BPD's Twitter feed from not long ago:
Boston_Police INJURED OFFICER: Officer from district 4 transported to Beth Israel Hospital, human bite to arm, suspect in custody. 20 May 2009 from TwitterBerry willcady @Boston_Police if that was a zombie bite, would you tell us? 20 May 2009 from mobile web Boston_Police @willcady Yes, absolutely 20 May 2009 from Twitterrific in reply to willcady
I feel reassured.