An Epidemic of Dengue-1 in a Remote Village in Rural Laos

被引：33

作者：

Dubot-Peres, Audrey ^{[1
,2
,3
]}

Vongphrachanh, Phengta ^{[4
]}

Denny, Justin ^{[5
]}

Phetsouvanh, Rattanaphone ^{[2
,3
]}

Linthavong, Singharath ^{[6
]}

Sengkeopraseuth, Bounthanom ^{[4
]}

Khasing, Amphai ^{[4
]}

Xaythideth, Vimattha ^{[4
]}

Moore, Catrin E. ^{[2
,3
]}

Vongsouvath, Manivanh ^{[2
]}

Castonguay-Vanier, Josee ^{[2
,3
]}

Sibounheuang, Bountoy ^{[2
]}

Taojaikong, Thaksinaporn ^{[2
]}

Chanthongthip, Anisone ^{[2
]}

de Lamballerie, Xavier ^{[1
]}

Newton, Paul N. ^{[2
,3
]}

机构：

[1] Aix Marseille Univ, IRD French Inst Res Dev, EHESP French Sch Publ Hlth, UMR Emergence Pathol Virales 190, Marseille, France

[2] Mahosot Hosp, Microbiol Lab, Lao Oxford Mahosot Hosp Wellcome Trust Res Unit, Vientiane, DEM REP CONGO

[3] Univ Oxford, Churchill Hosp, Nuffield Dept Clin Med, Ctr Trop Med, Oxford, England

[4] Minist Hlth, Natl Ctr Lab & Epidemiol, Vientiane, DEM REP CONGO

[5] WHO, Vientiane, DEM REP CONGO

[6] Xayabury Prov Hlth Dept, Xayabury, DEM REP CONGO

来源：

PLOS NEGLECTED TROPICAL DISEASES | 2013年 / 7卷 / 08期

关键词：

HUMAN MOVEMENT; MURINE TYPHUS; VIRUS TYPE-2; DIAGNOSIS; ASSAYS; RECOMBINATION; EMERGENCE; INFECTION; IGM; IDENTIFICATION;

D O I：

10.1371/journal.pntd.0002360

中图分类号：

R51 [传染病];

学科分类号：

100401 ;

摘要：

In the Lao PDR (Laos), urban dengue is an increasingly recognised public health problem. We describe a dengue-1 virus outbreak in a rural northwestern Lao forest village during the cool season of 2008. The isolated strain was genotypically "endemic" and not "sylvatic," belonging to the genotype 1, Asia 3 clade. Phylogenetic analyses of 37 other dengue-1 sequences from diverse areas of Laos between 2007 and 2010 showed that the geographic distribution of some strains remained focal overtime while others were dispersed throughout the country. Evidence that dengue viruses have broad circulation in the region, crossing country borders, was also obtained. Whether the outbreak arose from dengue importation from an urban centre into a dengue-naive community or crossed into the village from a forest cycle is unknown. More epidemiological and entomological investigations are required to understand dengue epidemiology and the importance of rural and forest dengue dynamics in Laos.

引用

页数：11

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