Author
Listed:
- Jacqueline L Deen
- Lorenz von Seidlein
- Dipika Sur
- Magdarina Agtini
- Marcelino E S Lucas
- Anna Lena Lopez
- Deok Ryun Kim
- Mohammad Ali
- John D Clemens
Abstract
Background: Cholera remains an important public health problem. Yet there are few reliable population-based estimates of laboratory-confirmed cholera incidence in endemic areas around the world. Methods: We established treatment facility–based cholera surveillance in three sites in Jakarta (Indonesia), Kolkata (India), and Beira (Mozambique). The annual incidence of cholera was estimated using the population census as the denominator and the age-specific number of cholera cases among the study cohort as the numerator. Findings: The lowest overall rate was found in Jakarta, where the estimated incidence was 0.5/1000 population/year. The incidence was three times higher in Kolkata (1.6/1000/year) and eight times higher in Beira (4.0/1000/year). In all study sites, the greatest burden was in children under 5 years of age. Conclusion: There are considerable differences in cholera incidence across these endemic areas but in all sites, children are the most affected. The study site in Africa had the highest cholera incidence consistent with a growing impression of the large cholera burden in Africa. Burden estimates are useful when considering where and among whom interventions such as vaccination would be most needed. Author Summary: Cholera is an often forgotten disease affecting the world's forgotten people. When a large cholera outbreak occurs, the disease appears briefly on the radar of public attention. Some unfortunate populations around the world suffer recurrent episodes of cholera but their plight goes unnoticed. We established cholera surveillance in impoverished areas in Jakarta (Indonesia), Kolkata (India), and Beira (Mozambique) where the disease is known to occur regularly. The cholera burden was calculated using the site population as the denominator and the number of cholera cases as the numerator. The lowest overall rate was in Jakarta with 0.5 cases per 1000 population per year. The incidence was three times higher in Kolkata (1.6/1000/year) and eight times higher in Beira (4.0/1000/year), adding to the growing impression of the large cholera problem in Africa. In all sites, children are the most affected. Estimates such as these are useful when considering where and among whom interventions against the disease are most needed. Improvement of water supply and sanitation is the best strategy against cholera and other diarrheal diseases but may not be achievable in these impoverished areas in the near future. Other immediate, short- to medium-term strategies such as vaccination against cholera may be useful.
Suggested Citation
Jacqueline L Deen & Lorenz von Seidlein & Dipika Sur & Magdarina Agtini & Marcelino E S Lucas & Anna Lena Lopez & Deok Ryun Kim & Mohammad Ali & John D Clemens, 2008.
"The High Burden of Cholera in Children: Comparison of Incidence from Endemic Areas in Asia and Africa,"
PLOS Neglected Tropical Diseases, Public Library of Science, vol. 2(2), pages 1-5, February.
Handle:
RePEc:plo:pntd00:0000173
DOI: 10.1371/journal.pntd.0000173
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