ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Investigation on mosquito density and the natural infection of mosquitoes with Japanese encephalitis virus along the south-north water diversion project in Shandong
Received date: 2016-01-22
Online published: 2016-06-20
Supported by
Sopported by the National Natural Science Foundation of China (No. 81271877), Jining Medical College Youth Fund Project in 2014 (No. JYQ14KJ07), the Natural Science Foundation of Shandong Province (No. ZR2015PH026) and Projects of Medical and Health Technology Development Program in Shandong Province (No. 2015WS0265)
Objective To investigate the mosquito density and the natural infection of mosquitoes with Japanese encephalitis virus (JEV) in Hanzhuang Town of Weishan county, Lake Taibai of Jining city and Lake Dongping of Taian city, providing scientific basis for controlling mosquitoes and preventing mosquito-borne diseases in the area. Methods Adult mosquito were collected by bed net method and nucleic acids of JEV were detected from mosquito samples by Quantitative Real-time PCR. Results A total of 16 711 mosquitoes were collected from June to September 2015, including 6 genera 17 species. The number of Culex tritaeniorhynchus and Cx. pipiens palllens was 6 610 (39.55%) and 6 465 (38.69%) respectively. They were the predominant in the region. The seasonal fluctuations of all the adult species were consistent, and reaching the density peak in August. JEV was detected from Cx. tritaeniorhynchus, Cx. pipiens palllens and Coquillettidia ochracea (Theobald, 1903). Conclusion The density of mosquito along the south-to-north water diversion project in Shandong is also high and the JEV natural infection exists in a variety of mosquito species. It is the first time that JEV was detected from C. ochracea. All of these findings indicate the region's high JEV infection risk.
YANG Pei-pei, LI Wen-juan, CHENG Peng, GUO Xiu-xia, WANG Hai-fang, WANG Huai-wei, ZHANG Chong-xing, KOU Jing-xuan, LIU Li-juan, GONG Mao-qing . Investigation on mosquito density and the natural infection of mosquitoes with Japanese encephalitis virus along the south-north water diversion project in Shandong[J]. Chinese Journal of Vector Biology and Control, 2016 , 27(3) : 232 -234 . DOI: 10.11853/j.issn.1003.8280.2016.03.005
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