Vibrio species (non-cholera) is a topic covered in the Johns Hopkins Antibiotic (ABX) Guide.

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MICROBIOLOGY

  • Aerobic, Gram-negative, comma-shaped rod (1-3 x 0.5-0.8µm).
    • Vibrio species usually divided into cholera and non-cholera groups.
      • Vibrio parahaemolyticus: most common non-cholera species
      • V. vulnificus: less common but more lethal
      • Occasional Vibrio species causing human infection: V. fluvialis, V. fumissii, V. hollisae, V. alginolyticus, V. damsela, V. cincinnatiensis.
    • Easily grown on routine media but identification from stool cultures requires use of selective media: thiosulfate-citrate-bile salts-sucrose (TCBS).
  • Common in warm marine environs, e.g. brackish waters, estuaries and coastal bays.
  • Cholera is caused by V. cholerae (see that module for details).

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Last updated: October 4, 2015