English: Dr. N. K. Dutta was an Indian medical scientist from West Bengal. In 1959, he identified the toxin generated by Vibrio cholerae which causes diarrhoea during animal testing. He used the classical biotype, Inaba serotype, V. cholerae strain 569B for the first time, which is being followed today. Dr. Dutta was associated with the World Health Organization, serving as a member of their Experts' Panel in Bacterial Diseases and Cholera.
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