To the Editor.
—In the March 1974 issue of the Archives, Zide et al reported on a patient with fatal fulminating septicemia caused by Vibrio parahaemolyticus.1 Erythema multiforme, hemolytic anemia, and hypotension were outstanding clinical manifestations. Additional studies ofCharacteristics of Halophilic Vibrio Species Characteristic Case Isolate V parahaemolyticus V alginolyticus Fermentation Lactose Sucrose Voges Proskauer Sodium chloride tolerance <8% >8% <10% >10% the halophilic microorganism isolated from this patient have shown characteristics that distinguish it from strains of V parahaemolyticus causing gastroenteritis, and from the subgroup 2 of V parahaemolyticus,2 now designated as V alginolyticus. This culture and 33 similar cultures that have been referred to the Special Bacteriology Section of the Center for Disease Control can be differentiated from V parahaemolyticus and V alginolyticus on the basis of fermentation of lactose (The lactose reaction on the isolate from the patient reported by Zide et al was not
Weaver RE, Ehrenkranz NJ. Vibrio parahaemolyticus Septicemia. Arch Intern Med. 1975;135(1):197. doi:10.1001/archinte.1975.00330010199027
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