The burden of cholera in the slums of Kolkata, India: data from a prospective, community based study
Open Access
- 1 November 2005
- journal article
- research article
- Published by BMJ in Archives of Disease in Childhood
- Vol. 90 (11), 1175-1181
- https://doi.org/10.1136/adc.2004.071316
Abstract
Aims: To conduct a prospective, community based study in an impoverished urban site in Kolkata (formerly Calcutta) in order to measure the burden of cholera, describe its epidemiology, and search for potential risk factors that could be addressed by public health strategies. Methods: The study population was enumerated at the beginning and end of the study period. Surveillance through five field outposts and two referral hospitals for acute, watery, non-bloody diarrhoea was conducted from 1 May 2003 to 30 April 2004. Data and a stool sample for culture of Vibrio cholerae were collected from each patient. Treatment was provided in accordance with national guidelines. Results: From 62 329 individuals under surveillance, 3284 diarrhoea episodes were detected, of which 3276 (99%) had a stool sample collected and 126 (4%) were culture confirmed cholera. Nineteen (15%) were children less than 2 years of age, 29 (23%) had severe dehydration, and 48 (38%) were hospitalised. Risk factors for cholera included a household member with cholera during the period of surveillance, young age, and lower educational level. Conclusions: There was a substantial burden of cholera in Kolkata with risk factors not easily amenable to intervention. Young children bear the brunt not only of diarrhoeal diseases in general, but of cholera as well. Mass vaccination could be a potentially useful tool to prevent and control seasonal cholera in this community.Keywords
This publication has 8 references indexed in Scilit:
- Factors associated with reported diarrhoea episodes and treatment-seeking in an urban slum of Kolkata, India.2004
- Use of satellite imagery in constructing a household GIS database for health studies in Karachi, PakistanInternational Journal of Health Geographics, 2004
- A 4‐Year Study of the Epidemiology ofVibrio choleraein Four Rural Areas of BangladeshThe Journal of Infectious Diseases, 2003
- Methods in health service research: Evaluation of health interventions at area and organisation levelBMJ, 1999
- Interval estimation for the difference between independent proportions: comparison of eleven methodsStatistics in Medicine, 1998
- Cholera in young children in an endemic areaThe Lancet, 1992
- Longitudinal Data Analysis for Discrete and Continuous OutcomesBiometrics, 1986
- ENDEMIC CHOLERA IN RURAL BANGLADESH, 1966–1980American Journal of Epidemiology, 1982