A regulatory authority and laboratory confirmed several cases of hemorrhagic colitis at a cafeteria caused by Shiga toxin-producing E. Coli bacteria. What could most likely have been the cause for the outbreak? A.
The cafeteria served burgers with undercooked ground beef patties.
B.
The cafeteria served burgers that were made using stale meat.
C.
The cafeteria served unpasteurized milk to the customers.
D.
The cafeteria served brioche buns that had mold on them.
E.
The cafeteria served produce washed using contaminated water.