Seasonal pattern of hepatitis E virus prevalence in swine in two different geographical areas of China

被引：18

作者：

Lu, Y. H. ^{[1
,2
]}

Qian, H. Z. ^{[3
]}

Hu, A. Q. ^{[4
]}

Qin, X. ^{[5
]}

Jiang, Q. W. ^{[1
]}

Zheng, Y. J. ^{[1
]}

机构：

[1] Fudan Univ, Sch Publ Hlth, Dept Epidemiol, Key Lab Publ Hlth Safety,Minist Educ, Shanghai 200032, Peoples R China

[2] Vanderbilt Univ, Sch Med, Dept Med, Div Epidemiol, Nashville, TN 37212 USA

[3] Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA

[4] Anhui Med Univ, Affiliated Anqing Hosp, Anqing Municipal Hosp, Anqing, Anhui, Peoples R China

[5] Guangxi Med Univ, Affiliated Hosp 1, Nanning, Guangxi, Peoples R China

来源：

EPIDEMIOLOGY AND INFECTION | 2013年 / 141卷 / 11期

基金：

中国国家自然科学基金; 美国国家卫生研究院;

关键词：

Hepatitis E; molecular epidemiology; zoonoses; PHYLOGENETIC ANALYSIS; THERMAL-STABILITY; RHESUS-MONKEYS; EASTERN CHINA; INFECTION; SEROPREVALENCE; TRANSMISSION; JAPAN; HEV; DIVERSITY;

D O I：

10.1017/S0950268813000113

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

We studied seasonal patterns of swine hepatitis E virus (HEV) infection in China. From 2008 to 2011, 4200 swine bile specimens were collected for the detection of HEV RNA. A total of 92/2400 (3.83%) specimens in eastern China and 47/1800 (2.61%) specimens in southwestern China were positive for HEV. Seasonal patterns differing by geographical area were suggested. In eastern China, the major peak of HEV RNA prevalence was during March-April, with a minor peak during September-October, and a dip during July-August. In southwestern China, the peak was during September-October and the dip during March-April. The majority of subtype 4a cases (63/82, 76.83%) were detected in the first half of the year, while the majority of subtype 4b cases (26/29, 89.66%) were concentrated in the second half of the year, suggesting that different subtypes contribute to different peaks. Our results indicate that the distribution of HEV subtypes is associated with seasonal patterns.

引用

页码：2403 / 2409

页数：7

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