Affiliation: | 1. Division of Biochemistry, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India;2. Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India;3. Division of Epidemiology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India |