Vibrio Infections Associated with Raw Oyster Consumption in Florida, 1981–1994

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Abstract
While the problem of raw-oyster-associated Vibrio vulnificus infection is well known, less is known about other Vibrio infections associated with raw oyster consumption. Case reports of 333 patients with raw-oyster-associated infections with V. vulnificus and other Vibrio species reported in Florida from 1981 through 1994 were reviewed to define the epidemiology of these infections. The average annual incidence of raw-oyster-associated Vibrio infection was 10.1 per 1,000,000 raw oyster-consuming adults (95% confidence interval: 8.3 to 11.9). Infection resulted in gastroenteritis for 231 (69%) patients, of whom 97 (42%) were hospitalized for a mean length of stay of 4.9 days, and 2 (1%) died. Vibrio species most often identified in patients with gastroenteritis included V. parahaemolyticus (29%), V. cholerae non-Ol (28%), V. hollisae (15%), and V.mimicus (12%). The remaining 102 (31 %) patients with raw-oyster-associated Vibrio infections developed primary septicemia and 50 (49%) died. Primary septicemia r...

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