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Vibrio cholerae O1 biotype El Tor producing Haitian variant Cholera Toxin (HCT) and showing reduced susceptibility to ciprofloxacin caused a cholera outbreak associated with a high case fatality rate (4.5) in India. HCT-secreting strains responsible for severe cholera epidemics in Orissa (India), Western Africa and Haiti were associated with increased mortality. There is a pressing need for an integrated multidisciplinary approach to combat further spread of newly emerging variant strains. The therapeutic effect of ciprofloxacin was diminished whereas use of doxycycline in moderate to severe cholera patients was found to be effective in outbreak management.

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