Space-time clusters of dengue fever in Bangladesh

Banu, Shahera, Hu, Wenbiao, Hurst, Cameron, Guo, Yuming, Islam, Mohammad Zahirul, & Tong, Shilu (2012) Space-time clusters of dengue fever in Bangladesh. Tropical Medicine & International Health, 17(9), pp. 1086-1091.

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Objective:  To examine the space-time clustering of dengue fever (DF) transmission in Bangladesh using geographical information system and spatial scan statistics (SaTScan).

Methods:  We obtained data on monthly suspected DF cases and deaths by district in Bangladesh for the period of 2000–2009 from Directorate General of Health Services. Population and district boundary data of each district were collected from national census managed by Bangladesh Bureau of Statistics. To identify the space-time clusters of DF transmission a discrete Poisson model was performed using SaTScan software.

Results:  Space-time distribution of DF transmission was clustered during three periods 2000–2002, 2003–2005 and 2006–2009. Dhaka was the most likely cluster for DF in all three periods. Several other districts were significant secondary clusters. However, the geographical range of DF transmission appears to have declined in Bangladesh over the last decade.

Conclusion:  There were significant space-time clusters of DF in Bangladesh over the last decade. Our results would prompt future studies to explore how social and ecological factors may affect DF transmission and would also be useful for improving DF control and prevention programs in Bangladesh.

Impact and interest:

11 citations in Scopus
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9 citations in Web of Science®

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ID Code: 67043
Item Type: Journal Article
Refereed: Yes
Keywords: Dengue, Bangladesh, Space-time cluster
DOI: 10.1111/j.1365-3156.2012.03038.x
ISSN: 13602276
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Epidemiology (111706)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2012 Blackwell Publishing Ltd
Copyright Statement: The definitive version is available at
Deposited On: 07 Feb 2014 00:40
Last Modified: 11 Apr 2014 08:41

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