A guest with liver disease eats raw oysters and develops a severe bloodstream infection. Which pathogen is the most likely cause?
a.Bacillus cereus from a starch that was held warm
b.Staphylococcus aureus from bare-hand contact
c.Vibrio vulnificus from raw molluscan shellfish
d.Clostridium botulinum from a swollen canned good
Explanation
Vibrio species live naturally in coastal waters and concentrate in filter-feeding oysters, and Vibrio vulnificus is especially dangerous for guests with liver disease or a weakened immune system. Bacillus cereus is tied to starches, Staphylococcus aureus to hand contact, and Clostridium botulinum to anaerobic conditions such as damaged cans.
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