Distribution of Mosquitoes and Mosquito-Borne Viruses along the China-Myanmar Border in Yunnan Province

Yun Feng; Shihong Fu; Hailin Zhang; Minghua Li; Tao Zhou; Jinglin Wang; Yuzhen Zhang; Huanyu Wang; Qing Tang; Guodong Liang

doi:10.7883/yoken.65.215

Original Article

Distribution of Mosquitoes and Mosquito-Borne Viruses along the China-Myanmar Border in Yunnan Province

Yun Feng, Shihong Fu, Hailin Zhang, Minghua Li, Tao Zhou, Jinglin Wang, Yuzhen Zhang, Huanyu Wang, Qing Tang, Guodong Liang

Author information

Yun Feng
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Yunnan Institute of Endemic Diseases Control and Prevention
Shihong Fu
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Hailin Zhang
Yunnan Institute of Endemic Diseases Control and Prevention
Minghua Li
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Tao Zhou
Yunnan Institute of Endemic Diseases Control and Prevention
Jinglin Wang
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Yuzhen Zhang
Yunnan Institute of Endemic Diseases Control and Prevention
Huanyu Wang
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Qing Tang
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
Guodong Liang
State Key Laboratory for Infectious Disease Prevention and Control, Department of Viral Encephalitis, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention

JOURNAL FREE ACCESS

2012 Volume 65 Issue 3 Pages 215-221

DOI https://doi.org/10.7883/yoken.65.215

Details

Abstract

A total of 54,673 mosquitoes were collected at 11 sites located near the China-Myanmar border in the western part of Yunnan Province during July and August 2007. There were 29 species in 4 genera identified from the collections, including 12 species of Culex, 12 species of Anopheles, 3 species of Aedes, and 2 species of Armigeres. Culex tritaeniorhynchus Giles (67.9%, 37,119/54,673) and Anopheles sinensis Wiedemann (25.9%, 14,170/54,673) were the most abundant species in this investigation. Virus was isolated using BHK-21 and C6/36 cells from 22 of 510 mosquito pools. Isolates included Japanese encephalitis virus (JEV) and Getah virus (GETV), which were identified by serological and molecular methods. Twenty JEV strains were isolated from Cx. tritaeniorhynchus (15 isolates), An. sinensis (3 isolates), and Armigeres subalbatus Coquillett (2 isolates), and 2 GETV strains were isolated from Culex pseudovishnui Colless and Cx. tritaeniorhynchus. This study suggests that Ar. subalbatus is a potentially important local vector because of the high JEV infection ratio found in this species. Enzootic JEV transmission persists in this area and therefore, surveillance for human disease caused by JEV and GETV should be conducted in the region.

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