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Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013

Influenza A(H7N9) virus emerged in eastern China in February 2013 and continues to circulate in this region, but its ecology is poorly understood. In April 2013, the Guangdong Provincial Center for Disease Control and Prevention (CDC) implemented environmental and human syndromic surveillance for th...

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Autores principales: Ke, Changwen, Lu, Jing, Wu, Jie, Guan, Dawei, Zou, Lirong, Song, Tie, Yi, Lina, Zeng, Xianqiao, Liang, Lijun, Ni, Hanzhong, Kang, Min, Zhang, Xin, Zhong, Haojie, He, Jianfeng, Lin, Jinyan, Smith, Derek, Burke, David, Fouchier, Ron A.M., Koopmans, Marion, Zhang, Yonghui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257815/
https://www.ncbi.nlm.nih.gov/pubmed/25418838
http://dx.doi.org/10.3201/eid2012.140765
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author Ke, Changwen
Lu, Jing
Wu, Jie
Guan, Dawei
Zou, Lirong
Song, Tie
Yi, Lina
Zeng, Xianqiao
Liang, Lijun
Ni, Hanzhong
Kang, Min
Zhang, Xin
Zhong, Haojie
He, Jianfeng
Lin, Jinyan
Smith, Derek
Burke, David
Fouchier, Ron A.M.
Koopmans, Marion
Zhang, Yonghui
author_facet Ke, Changwen
Lu, Jing
Wu, Jie
Guan, Dawei
Zou, Lirong
Song, Tie
Yi, Lina
Zeng, Xianqiao
Liang, Lijun
Ni, Hanzhong
Kang, Min
Zhang, Xin
Zhong, Haojie
He, Jianfeng
Lin, Jinyan
Smith, Derek
Burke, David
Fouchier, Ron A.M.
Koopmans, Marion
Zhang, Yonghui
author_sort Ke, Changwen
collection PubMed
description Influenza A(H7N9) virus emerged in eastern China in February 2013 and continues to circulate in this region, but its ecology is poorly understood. In April 2013, the Guangdong Provincial Center for Disease Control and Prevention (CDC) implemented environmental and human syndromic surveillance for the virus. Environmental samples from poultry markets in 21 city CDCs (n = 8,942) and respiratory samples from persons with influenza-like illness or pneumonia (n = 32,342) were tested; viruses isolated from 6 environmental samples and 16 patients were sequenced. Sequence analysis showed co-circulation of 4 influenza A(H7N9) virus strains that evolved by reassortment with avian influenza A(H9N2) viruses circulating in this region. In addition, an increase in human cases starting in late 2013 coincided with an increase in influenza A H7 virus isolates detected by environmental surveillance. Co-circulation of multiple avian influenza viruses that can infect humans highlights the need for increased surveillance of poultry and potential environmental sources.
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spelling pubmed-42578152014-12-16 Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013 Ke, Changwen Lu, Jing Wu, Jie Guan, Dawei Zou, Lirong Song, Tie Yi, Lina Zeng, Xianqiao Liang, Lijun Ni, Hanzhong Kang, Min Zhang, Xin Zhong, Haojie He, Jianfeng Lin, Jinyan Smith, Derek Burke, David Fouchier, Ron A.M. Koopmans, Marion Zhang, Yonghui Emerg Infect Dis Research Influenza A(H7N9) virus emerged in eastern China in February 2013 and continues to circulate in this region, but its ecology is poorly understood. In April 2013, the Guangdong Provincial Center for Disease Control and Prevention (CDC) implemented environmental and human syndromic surveillance for the virus. Environmental samples from poultry markets in 21 city CDCs (n = 8,942) and respiratory samples from persons with influenza-like illness or pneumonia (n = 32,342) were tested; viruses isolated from 6 environmental samples and 16 patients were sequenced. Sequence analysis showed co-circulation of 4 influenza A(H7N9) virus strains that evolved by reassortment with avian influenza A(H9N2) viruses circulating in this region. In addition, an increase in human cases starting in late 2013 coincided with an increase in influenza A H7 virus isolates detected by environmental surveillance. Co-circulation of multiple avian influenza viruses that can infect humans highlights the need for increased surveillance of poultry and potential environmental sources. Centers for Disease Control and Prevention 2014-12 /pmc/articles/PMC4257815/ /pubmed/25418838 http://dx.doi.org/10.3201/eid2012.140765 Text en https://creativecommons.org/licenses/by/4.0/This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.
spellingShingle Research
Ke, Changwen
Lu, Jing
Wu, Jie
Guan, Dawei
Zou, Lirong
Song, Tie
Yi, Lina
Zeng, Xianqiao
Liang, Lijun
Ni, Hanzhong
Kang, Min
Zhang, Xin
Zhong, Haojie
He, Jianfeng
Lin, Jinyan
Smith, Derek
Burke, David
Fouchier, Ron A.M.
Koopmans, Marion
Zhang, Yonghui
Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title_full Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title_fullStr Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title_full_unstemmed Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title_short Circulation of Reassortant Influenza A(H7N9) Viruses in Poultry and Humans, Guangdong Province, China, 2013
title_sort circulation of reassortant influenza a(h7n9) viruses in poultry and humans, guangdong province, china, 2013
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257815/
https://www.ncbi.nlm.nih.gov/pubmed/25418838
http://dx.doi.org/10.3201/eid2012.140765
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