Two patients presented with hard black eschars covering granulating ulcers,
The ulcers healed within 6 weeks to leave small scars. The diagnosis of co
wpox was confirmed by serology in both cases and in addition by polymerase
chain reaction in the first. The source of infection was likely to be a rod
ent in the first case whilst the second was more typical in being transmitt
ed by a cat, (C) 2000 The British Association of Plastic Surgeons.