How environmental conditions impact mosquito ecology and Japanese encephalitis: An eco-epidemiological approach
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ID: 109511
2015
Japanese encephalitis (JE) is one of the major vector-borne diseases in Southeast Asia and the Western Pacific region, posing a threat to human health. In rural and suburban areas, traditional rice farming and intensive pig breeding provide an ideal environment for both mosquito development and the transmission of JEV among human beings. Combining surveillance data for mosquito vectors, human JE cases, and environmental conditions in Changsha, China, 2004–2009, generalized threshold models were constructed to project the mosquito and JE dynamics. Temperature and rainfall were found to be closely associated with mosquito density at 1, and 4 month lag, respectively. The two thresholds, maximum temperature of 22–23 °C for mosquito development and minimum temperature of 25–26 °C for JEV transmission, play key roles in the ecology of JEV. The model predicts that, in the upper regime, a 1 g/m3 increase in absolute humidity would on average increase human cases by 68–84%. A shift in mosquito species composition in 2007 was observed, and possibly caused by a drought. Effective predictive models could be used in risk management to provide early warnings for potential JE transmission. Keywords: Japanese encephalitis, Mosquito vector, Generalized threshold models, Climate, Environmental thresholds, China
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tian2015howenvironment
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| Authors | Tian, Huai-Yu;Bi, Peng;Cazelles, Bernard;Zhou, Sen;Huang, Shan-Qian;Yang, Jing;Pei, Yao;Wu, Xiao-Xu;Fu, Shi-Hong;Tong, Shi-Lu;Wang, Huan-Yu;Xu, Bing; |
| Journal | Environment international |
| Year | 2015 |
| DOI | DOI not found |
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| Keywords |
Ecology
Microbiology
Veterinary medicine
environmental effects of industries and plants
renewable energy sources
environmental sciences
ophthalmology
law in general. comparative and uniform law. jurisprudence
colonies and colonization. emigration and immigration. international migration
city population. including children in cities, immigration
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