NDLI: The spatio-temporal characteristics of potential dengue risk assessed by Aedes aegypti and Aedes albopictus in high-epidemic areas

Content Provider	Springer Nature Link
Author	Lin, Chia Hsien Wen, Tzai Hung Teng, Hwa Jen Chang, Niann Tai
Copyright Year	2014
Abstract	Aedes aegypti (AE) and Aedes albopictus (AA) are the two major dengue vectors in the world. To control dengue, monitoring vectors is essential. The abundance and distribution of mosquitoes are usually considered as a proxy for dengue outbreaks. Most of the researches catch the abundance and distribution of vectors by using traps, but this kind of information only can reflect partial relationship between the mosquitoes and dengue since human factors were not taken into account. To have a better proxy for dengue risk, this research evaluated the spatiotemporal distribution of dengue vectors by a human population-stratified ovitrap survey. We demonstrated the potential intensity of dengue transmission spatio-temporally in the high epidemic areas. We analyzed the temporal patterns of vector abundances, compared the levels of vector aggregation indoors with outdoors, and assess the vector concentration tendency around residential centers and administration edges form June 2010 to June 2011. We found significantly more AA outdoors than indoors, and no matter outdoor or indoor settings were, the abundances of AA were descending from the pre-epidemic period to post-epidemic period. AE also had the descending pattern, but there were no significant differences detected between outdoor and indoor settings. AA hotspots appeared almost the same locations from the pre-epidemic period to post-epidemic period, but no obvious repetitive AE hotspots were shown. We also found that AA tended to aggregate around the residential centers while AE likely clustered around the district boundaries. Our study concluded these spatio-temporal characteristics of AE and AA addressed from a population adjusted ovitrap method implied the risks of dengue in different times and locations. To more efficiently control dengue, except for routine unspecific control interventions, the authorities should realize different environmental management strategies were needed for AE and AA.
Starting Page	2057
Ending Page	2066
Page Count	10
File Format	PDF
ISSN	14363240
Journal	Stochastic Environmental Research and Risk Assessment
Volume Number	30
Issue Number	8
e-ISSN	14363259
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-08-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dengue vector Transmission risk Urban settings Spatial epidemiology Taiwan Math. Application in Environmental Science Earth Sciences Probability Theory and Stochastic Processes Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences Computational Intelligence Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Water Science and Technology Safety, Risk, Reliability and Quality

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