There is some evidence that it might have become foodborne, andyou need to isolate it. Using the skills, you outlined fecal-oraltransmission happening in swimming areas. That's unusual in thiscountry--but this bacterium is so virulent that even small amountswere affecting people, you track it down to unpasteurized fruitjuice. Create a plan to enumerate the bacteria present in differentsamples of fruit juice.
