Which of the following organism does not cause invasive diarrhea: (A) Bacillus cereus, (B) Aeromonassp, (C) Rota virus, (D) Shigella
Answer is A. Answer is A (Bacillus cereus) Bacillus cereus causes non invasive diarrhea secondary to small bowel hypersecretion, as a result of preformed bacterial toxins. Rotavirus, Aeromonas sp and Shigella are all invasive organism known to cause invasive diarrhea.