
C. difficile (C. diff) is a contagious bacteria (germ) that infects the colon (large intestine) and can cause diarrhea and other health complications.

C. difficile (C. diff) is a contagious bacteria (germ) that infects the colon (large intestine) and can cause diarrhea and other health complications.

C. diff is a leading cause of infectious diarrhea in adults 65 and older that can result in severe illness and recurrent symptoms. Learn about Pfizer’s new vaccine study which may help to protect against C. diff infection.