A large cruise ship must end its current voyage early due to an outbreak of nausea, vomiting, and diarrhea among its passengers. Your laboratory is asked to help process stool samples to determine the causative agent of the outbreak.
You suspect the causative agent to be
A) norovirus. B) Campylobacter jejuni.
C) Salmonella spp. D) rotavirus.
Question 2
Which of the following organisms can be normal flora and only causes disease when it produces toxin in the gastrointestinal tract?
A) Clostridium difficile
B) Staphylococcus aureus
C) Bacillus cereus
D) A, B and C
E) A and B