If cooking of chicken will kill Campylobacter jejuni and eating of raw chicken is very rare, how does this bacteria come to infect so many people in this country? Explain how a patient that is colonized by Clostridium difficile comes to suffer pseudomembranous colitis.In dealing with cleanup of diarrhea from a C. diff patient what is your major concern? Explain the difference between typhoid fever and salmonellosis..