| High potential risk of dengue transmission during the hot-dry season in Nha Trang City, Vietnam. | |
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MedLine Citation:
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PMID: 19467217 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We visited houses and inspected water-holding containers to determine the potential risks of dengue transmission during different seasons. This survey was conducted in two neighbourhoods of Nha Trang City in July and December 2006, which correspond to the middle of the hot-dry season and the beginning of the cool-wet season, respectively. We inspected a total of 1438 wet containers in 196 premises during both survey periods; 20% of the containers were positive for Aedes aegypti larvae and 8% for A. aegypti pupae. Indoor water-holding containers, which were sparsely distributed, exhibited high pupal productivity and efficiency (pupal productivity of a type of container/prevalence of that type of container) in either the first survey conducted in July, or the second, conducted in December. Although rainfall may not influence the number and distribution of water-holding containers in the city, the high average temperature in the first survey period resulted in a higher potential risk of dengue transmission. Our analysis suggests that if intensive source reduction is conducted in summer and containers with high pupal productivity and efficiency are targeted, the risk of dengue transmission in the city could be effectively reduced. |
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Authors:
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Ataru Tsuzuki; Trong Duoc Vu; Yukiko Higa; Thi Yen Nguyen; Masahiro Takagi |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-05-23 |
Journal Detail:
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Title: Acta tropica Volume: 111 ISSN: 1873-6254 ISO Abbreviation: Acta Trop. Publication Date: 2009 Sep |
Date Detail:
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Created Date: 2009-07-21 Completed Date: 2009-10-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370374 Medline TA: Acta Trop Country: Netherlands |
Other Details:
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Languages: eng Pagination: 325-9 Citation Subset: IM |
Affiliation:
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Department of Vector Ecology and Environment, Institute of Tropical Medicine, Nagasaki University, Sakamoto, Nagasaki 852-8523, Japan. atarutsuzuki@hotmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aedes
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growth & development Animals Dengue / epidemiology*, transmission* Humans Larva / growth & development Risk Assessment Seasons* Vietnam / epidemiology Water / parasitology |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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