Title: Investigation of the prevalence of Japanese encephalitis in Jingdong County, Yunnan.
Abstract:Objective To explore the prevalence of Japanese encephalitis(JE) in Jingdong County,Yunnan Province.Methods Mosquito lamp traps were used to capture mosquitoes overnight.RT-PCR was used to detect the ...Objective To explore the prevalence of Japanese encephalitis(JE) in Jingdong County,Yunnan Province.Methods Mosquito lamp traps were used to capture mosquitoes overnight.RT-PCR was used to detect the virus in mosquitoes infected with the Japanese encephalitis virus(JEV),and enzyme-linked immunosorbent assay(ELISA) was used to detect JEV antibodies in healthy residents.Results A total of 6 653 individual mosquitoes from 15 species in 4 genera were collected.Of these mosquito species,Culex tritaeniorhynchus and Anopheles sinensis were the local dominant species,and they accounted for 82.07% and 10.46% of the total mosquitoes collected.RT-PCR detected a JEV strain in both Cx.tritaeniorhynchus and An.sinensis in 16 batches of 1 310 individual mosquitoes.ELISA detected JEV antibodies at a rate of 72.96% from the sera of healthy residents,and there was a significant difference between age groups(χ2=51.589,P0.01).Conclusion There are a relatively large number of vectors of Japanese encephalitis in Jingdong County,and Cx.tritaeniorhynchus and An.sinensis play an important roles in local JE transmission.Read More
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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Cited By Count: 2
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