The dynamics of GII.4 Norovirus in Ho Chi Minh City, Vietnam

被引:10
作者
Phan Vu Tra My [1 ,2 ]
Ha Minh Lam [1 ]
Thompson, Corinne N. [1 ,2 ]
Hoang Le Phuc [3 ]
Pham Thi Ngoc Tuyet [4 ]
Ha Vinh [5 ]
Nguyen Van Minh Hoang [1 ]
PhamVan Minh [1 ]
Nguyen Thanh Vinh [1 ]
Cao Thu Thuy [1 ]
Tran Thi Thu Nga [1 ]
Nguyen Thi Thu Hau [4 ]
Nguyen Tran Chinh [5 ]
Tang Chi Thuong [3 ]
Ha Manh Tuan [4 ]
Campbell, James I. [1 ,2 ]
Clements, Archie C. A. [6 ]
Farrar, Jeremy [1 ,2 ]
Boni, Maciej F. [1 ,2 ]
Baker, Stephen [1 ,2 ,7 ]
机构
[1] Univ Oxford, Clin Res Unit, Wellcome Trust Major Overseas Programme, Ho Chi Minh City, Vietnam
[2] Univ Oxford, Nuffield Dept Clin Med, Ctr Trop Med, Oxford OX1 2JD, England
[3] Childrens Hosp 1, Ho Chi Minh City, Vietnam
[4] Childrens Hosp 2, Ho Chi Minh City, Vietnam
[5] Hosp Trop Dis, Ho Chi Minh City, Vietnam
[6] Univ Queensland, Sch Populat Hlth, Brisbane St Lucia, Qld 4072, Australia
[7] Univ London London Sch Hyg & Trop Med, London WC1E 7HT, England
基金
英国惠康基金; 英国医学研究理事会;
关键词
Norovirus; GII.4; Phylogenetic; Spatial; Temporal; Cluster; NORWALK-LIKE VIRUSES; ROUND-STRUCTURED VIRUSES; REVERSE TRANSCRIPTION PCR; ACUTE GASTROENTERITIS; MOLECULAR EPIDEMIOLOGY; CARE FACILITIES; OUTBREAKS; CHILDREN; EMERGENCE; VACCINE;
D O I
10.1016/j.meegid.2013.04.014
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
Norovirus (NoV) is a major cause of epidemic gastroenteritis in industrialized countries, yet the epidemiological significance of NoV in industrializing countries remains poorly understood. The spatiotemporal distribution of NoV genotypes identified in 2054 enrolled children was investigated between May 2009 and December 2010, in Ho Chi Minh City (HCMC), Vietnam. A total of 315 NoV extracted from stool samples were genotyped and GPS mapped to their source. Genogroup II NoV, particularly GII.4, were predominant, and the GII.4 strains could be subgrouped into GII.4-2006b (Minerva) and GII.4-2010 (New Orleans) variants. There was no spatiotemporal structure among the endemic Gil strains; yet a significant spatiotemporal signal corresponding with the novel introduction of GII.4-2010 variant was detected. These data show that NoV GII.4 variants are highly endemic in HCMC and describe a scenario of rapid NoV strain replacement occurring in HCMC in early 2010. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:335 / 343
页数:9
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