Isolation of Vibrio cholerae from aquatic birds in Colorado and Utah

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Abstract

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 01 and non-O1 V. cholerae strains were isolated from the fecal specimens. Isolates from eight birds (representing five species) agglutinated in 0 group 1 antiserum. Supernatants of broth cultures from three isolates which typed as V. cholerae 01 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-Ol 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. © 1989, American Society for Microbiology.

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Ogg, J. E., Ryder, R. A., & Smith, L. H. (1989). Isolation of Vibrio cholerae from aquatic birds in Colorado and Utah. Applied and Environmental Microbiology, 55(1), 95–99. https://doi.org/10.1128/aem.55.1.95-99.1989

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