 It is an unusual cause of infection and when it is cultured, it is most usually found mixed with other organisms.Infections most commonly occur in patients with cancers of the head and neck, but it is also common in human bite infections, especially "reverse bite", "fight bite", or "clenched fist injuries".It also causes infections in insulin-dependent diabetics and intravenous drug users who lick their needles ("needle-licker's osteomyelitis").