Quantitative risk analysis of the novel H7N9 virus in environments associated with H9 avian influenza virus, Zhejiang province, China

被引：2

作者：

He, F. ^{[1
]}

Lin, J. F. ^{[1
]}

Wang, X. Y. ^{[1
]}

Li, F. D. ^{[1
]}

Yu, Z. ^{[1
]}

Chen, E. F. ^{[1
]}

机构：

[1] Zhejiang Prov Ctr Dis Control & Prevent, 3399 Binsheng Rd, Hangzhou 310051, Zhejiang, Peoples R China

来源：

EPIDEMIOLOGY AND INFECTION | 2017年 / 145卷 / 01期

关键词：

H7N9; virus; H9; reassortment; risk factor; surveillance; HUMAN INFECTION; POULTRY; REASSORTMENT; SUBTYPES; ORIGIN; DIVERSITY; GENESIS; HUZHOU; MARKET; GENOME;

D O I：

10.1017/S0950268816002168

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

H9 avian influenza virus played a key role during generation of the novel H7N9 virus. A surveillance programme was conducted to assess the H9 virus in relation to the risk of H7N9 virus contamination in the environment. Risk of H7N9 virus contamination in the presence of H9 virus was higher than without (adjusted odds ratio 449, 95% confidence interval 379-531). Adjusted odds ratios of the H7N9 virus associated with co-presence of H9 virus and interacting factors were 493 (rural vs. urban area), 4680 (live poultry markets vs. other premises), 686 (Huzhou vs. Hangzhou prefecture), 4067 (year 2015 vs. 2013), and 963 (sewage from cleaning poultry vs. poultry faeces). Regular surveillance on gene variability of H7N9 and H9 viruses should be conducted and extra measures are needed to reduce co-circulation of H7N9 and H9 viruses in the environment.

引用

页码：133 / 140

页数：8

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