Enhanced environmental surveillance for avian influenza A/H5, H7 and H9 viruses in Guangxi, China, 2017–2019

Tao Chen; Yi Tan; Ying Song; Guangwu Wei; Zhiqiang Li; Ximing Wang; Jing Yang; Alexander J. Millman; Minmei Chen; Deping Liu; Tao Huang; Ming Jiao; Weitao He; Xiuchang Zhao; Carolyn M. Greene; James C. Kile; Suizan Zhou; Ran Zhang; Xiaoxu Zeng; Qian Guo; Dayan Wang

Biosafety and Health (Feb 2023)

Enhanced environmental surveillance for avian influenza A/H5, H7 and H9 viruses in Guangxi, China, 2017–2019

Tao Chen,
Yi Tan,
Ying Song,
Guangwu Wei,
Zhiqiang Li,
Ximing Wang,
Jing Yang,
Alexander J. Millman,
Minmei Chen,
Deping Liu,
Tao Huang,
Ming Jiao,
Weitao He,
Xiuchang Zhao,
Carolyn M. Greene,
James C. Kile,
Suizan Zhou,
Ran Zhang,
Xiaoxu Zeng,
Qian Guo,
Dayan Wang

Affiliations

Tao Chen: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Yi Tan: Guangxi Autonomous Regional Center for Disease Control and Prevention, Nanning 530028, China
Ying Song: Centers for Disease Control and Prevention, Atlanta 30329, USA
Guangwu Wei: Chongzuo City Center for Disease Control and Prevention, Chongzuo 532299, China
Zhiqiang Li: Pingxiang Center for Disease Control and Prevention, Pingxiang 532699, China
Ximing Wang: Longzhou Center for Disease Control and Prevention, Chongzuo 532499, China
Jing Yang: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Alexander J. Millman: Centers for Disease Control and Prevention, Atlanta 30329, USA
Minmei Chen: Guangxi Autonomous Regional Center for Disease Control and Prevention, Nanning 530028, China
Deping Liu: Chongzuo City Center for Disease Control and Prevention, Chongzuo 532299, China
Tao Huang: Chongzuo City Center for Disease Control and Prevention, Chongzuo 532299, China
Ming Jiao: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Weitao He: Guangxi Autonomous Regional Center for Disease Control and Prevention, Nanning 530028, China
Xiuchang Zhao: Chongzuo City Center for Disease Control and Prevention, Chongzuo 532299, China
Carolyn M. Greene: Centers for Disease Control and Prevention, Atlanta 30329, USA
James C. Kile: Centers for Disease Control and Prevention, Atlanta 30329, USA
Suizan Zhou: Centers for Disease Control and Prevention, Atlanta 30329, USA
Ran Zhang: Centers for Disease Control and Prevention, Atlanta 30329, USA
Xiaoxu Zeng: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Qian Guo: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Dayan Wang: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Corresponding author: Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.

Journal volume & issue: Vol. 5, no. 1
pp. 30 – 36

Abstract

Read online

We conducted environmental surveillance to detect avian influenza viruses circulating at live poultry markets (LPMs) and poultry farms in Guangxi Autonomous Region, China, where near the China-Vietnam border. From November through April 2017–2018 and 2018–2019, we collected environmental samples from 14 LPMs, 4 poultry farms, and 5 households with backyard poultry in two counties of Guangxi and tested for avian influenza A, H5, H7, and H9 by real-time reverse transcription-polymerase chain reaction (rRT-PCR). In addition, we conducted four cross-sectional questionnaire surveys among stall owners on biosecurity practices in LPMs of two study sites. Among 16,713 environmental specimens collected and tested, the median weekly positive rate for avian influenza A was 53.6% (range = 33.5% − 66.0%), including 25.2% for H9, 4.9% for H5, and 21.2% for other avian influenza viruses A subtypes, whereas a total of two H7 positive samples were detected. Among the 189 LPM stalls investigated, most stall owners (73.0%) sold chickens and ducks. Therefore, continued surveillance of the avian influenza virus is necessary for detecting and responding to emerging trends in avian influenza virus epidemiology.

Published in Biosafety and Health

ISSN: 2590-0536 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Medicine: Internal medicine: Infectious and parasitic diseases; Medicine: Public aspects of medicine
Website: https://www.journals.elsevier.com/biosafety-and-health/

About the journal

Abstract

Keywords