Aeromonas is another aquatic organism that prefers brackish and fresh water. It is generally accepted as a cause of FP, after initial doubts, in both adults and children. A profuse watery diarrhea is typical, although a dysentery-like syndrome is sometimes associated with it. The incubation period is 18-24 h. Sporadic infections are more common than full-blown outbreaks. Consumption of raw shellfish should be avoided (not only for aeromonas). Plesiomonas shigelloides is also an aquatic organism, and FP from it is rare. Its role in FP has not been fully elucidated. Diarrhea is the usual symptom, and the incubation period is approximately 24 h.
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