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Bacterial contamination of weaning foods and drinking water in rural Bangladesh

Published online by Cambridge University Press:  15 May 2009

F. J. Henry ,
Y. Patwary ,
S. R. A. Huttly  and
K. M. A. Aziz
F. J. Henry
Affiliation:
International Centre for Diarrhoeal Disease Research, PO Box 128, Dhaka 1000, Bangladesh
Y. Patwary
Affiliation:
International Centre for Diarrhoeal Disease Research, PO Box 128, Dhaka 1000, Bangladesh
S. R. A. Huttly
Affiliation:
Department of Epidemiology and Population Sciences, London School of Hygience and Tropical Medicine, London
K. M. A. Aziz
Affiliation:
International Centre for Diarrhoeal Disease Research, PO Box 128, Dhaka 1000, Bangladesh
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Summary

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The aim of this study was to determine what weaning foods and food preparation practices expose children to a high risk of diarrhoeal disease through exposure to a contaminated diet. Bacterial contamination of 897 food and 896 drinking water samples was assessed in a water and santitation intervention project.

The geometric mean of faecal coliforms per g or ml was 7·5 x 103 in left-over rice, 1·4 x 102 in other types of boiled rice, 2·5 x 102 in milk, 4·8 in household drinking water, and 3·5 in bread. Multiplication of faecal coliforms occurred when there was a delay of more than 4 h between preparation and consumption of food. All samples were more contaminated in the rainy than in the dry season. Strategies to reduce contamination should therefore focus on ‘wet’ foods, early consumption after preparation, and re–heating of left–over foods. Understanding the reasons for the faulty practices is also essential to the formulation of effective measures.

Type
Research Article
Information
Epidemiology & Infection , Volume 104 , Issue 1 , February 1990 , pp. 79 - 85
Copyright
Copyright © Cambridge University Press 1990

References

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