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Isolation of Vibrio cholerae from aquatic birds in Colorado and Utah.

By J E Ogg, R A Ryder and H L Smith


Vibrio cholerae was isolated from cloacal swabs and freshly voided feces collected from 20 species of aquatic birds in Colorado and Utah during 1986 and 1987. About 17% (198 of 1,131) fecal specimens collected from July 1986 through August 1987 contained the organism. Both O1 and non-O1 V. cholerae strains were isolated from the fecal specimens. Isolates from eight birds (representing five species) agglutinated in O group 1 antiserum. Supernatants of broth cultures from three isolates which typed as V. cholerae O1 serotype Ogawa gave reactions typical of cholera toxin when tested on Y-1 mouse adrenal cell cultures. Several serovars of non-O1 V. cholerae were isolated from the fecal specimens; serovar 22 was the most prevalent type. All non-O1 isolates were cytotoxic to Y-1 mouse adrenal cells. Only non-O1 V. cholerae was detected in water samples collected from the habitat of the birds. The results of this study suggest that aquatic birds serve as carriers and disseminate V. cholerae over a wide area

Topics: Research Article
Year: 1989
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Provided by: PubMed Central
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