But when the puppy's immune system can't keep them under control, severe disease can cause
terrible skin sores, hair loss or even kill your puppy.
When the Bill Foundation received a call about a sick stray pit bull, rescuers Annie Hart and Lisa Arturo found him living in an abandoned lot, shaking with nervousness and suffering from a
terrible, contagious
skin infection that covered his snout with red, scabrous
sores.