Occurrence of Japanese Encephalitis Virus Mosquito Vectors in Relation to Urban Pig Holdings

被引：55

作者：

Lindahl, Johanna

Chirico, Jan

Boqvist, Sofia ^{[3
]}

Ho Thi Viet Thu ^{[2
]}

Magnusson, Ulf ^{[1
]}

机构：

[1] Swedish Univ Agr Sci, Div Reprod, Dept Clin Sci, Natl Vet Inst,Dept Virol Immunobiol & Parasitol, S-75007 Uppsala, Sweden

[2] Can Tho Univ, Dept Vet Med, Can Tho, Vietnam

[3] Swedish Univ Agr Sci, Dept Biomed & Vet Publ Hlth, S-75007 Uppsala, Sweden

来源：

AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE | 2012年 / 87卷 / 06期

关键词：

WEST-NILE-VIRUS; CULEX-GELIDUS; URBANIZATION; TRANSMISSION; CULICIDAE; INFECTION; ECOLOGY; DIPTERA; AREA; CITY;

D O I：

10.4269/ajtmh.2012.12-0315

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Japanese encephalitis virus (JEV) is transmitted to humans from pigs or birds by mosquitoes. In this study, the association between urban pig keeping and mosquito vectors was analyzed. A total of 7, 419 mosquitoes were collected overnight in urban households with and without pigs in Can Tho City, Vietnam. The most prevalent vectors were Culex tritaeniorhynchus (36%), Cx. gelidus (24%), and Cx. quinquefasciatus (15%), which were present in all parts of the city. Pigs were associated with increased numbers of a. tritaeniorhynchus. Traps close to pigs had higher numbers of a. tritaeniorhynchus and Cx. gelidus than traps close to humans. Increased number of persons in the household was associated with increased numbers of Cx. quinquefasciatus. We demonstrate that JEV vector species are present at urban households with and without pigs, and show that keeping pigs in an urban area increase the number of mosquitoes competent as vectors for JEV.

引用

页码：1076 / 1082

页数：7

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