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Updated: Aug 13, 2026

Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates
Published on: May 30, 2017
O1 and non-O1 Vibrio cholerae bacteremia produced by hemolytic strains
Dalilah Restrepo1, Shirish S Huprikar, Kenneth VanHorn
1Division of Infectious Diseases, Department of Medicine, The Mount Sinai Hospital, New York, NY, USA.
Abstract:
Vibrio cholerae are Gram-negative bacteria capable of producing serious infections. They are differentiated into O1 and non-O1 serogroups, depending on their ability to agglutinate with specific antiserum. In contrast to non-O1 V. cholerae, which are more prone to invading the bloodstream, V. cholerae O1 is rarely the cause of bacteremia. We describe 2 cases of O and non-O1 V. cholerae bacteremia in patients with hepatitis C virus cirrhosis. We postulate that the hemolytic properties of the isolates contributed to their virulence in immunocompromised hosts.
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