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Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015

Although several studies have reported seroprevalences of antibody against avian influenza A(H7N9) virus among poultry workers in southern China, results have varied and data in northern China are scarce. To understand risks of H7N9 and H5N1 virus infections in northern China, a serological cohort s...

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Autores principales: Yang, Peng, Ma, Chunna, Cui, Shujuan, Zhang, Daitao, Shi, Weixian, Pan, Yang, Sun, Ying, Lu, Guilan, Peng, Xiaomin, Zhao, Jiachen, Liu, Yimeng, Wang, Quanyi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5037362/
https://www.ncbi.nlm.nih.gov/pubmed/27670286
http://dx.doi.org/10.1038/srep33877
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author Yang, Peng
Ma, Chunna
Cui, Shujuan
Zhang, Daitao
Shi, Weixian
Pan, Yang
Sun, Ying
Lu, Guilan
Peng, Xiaomin
Zhao, Jiachen
Liu, Yimeng
Wang, Quanyi
author_facet Yang, Peng
Ma, Chunna
Cui, Shujuan
Zhang, Daitao
Shi, Weixian
Pan, Yang
Sun, Ying
Lu, Guilan
Peng, Xiaomin
Zhao, Jiachen
Liu, Yimeng
Wang, Quanyi
author_sort Yang, Peng
collection PubMed
description Although several studies have reported seroprevalences of antibody against avian influenza A(H7N9) virus among poultry workers in southern China, results have varied and data in northern China are scarce. To understand risks of H7N9 and H5N1 virus infections in northern China, a serological cohort study was conducted. Poultry workers, swine workers and the general population in Beijing, China, were evaluated through three surveys in November 2013, April 2014 and April 2015. The highest seroprevalence to H7N9 virus among poultry workers was recorded in the April 2014 and April 2015 surveys (0.4%), while that to H5N1 clade 2.3.4 or clade 2.3.2.1 virus was noted in the April 2014 survey (1.6% and 0.2%, respectively). The incidence of H7N9 virus infections among poultry workers (1.6/1000 person-months) was significantly lower than that of H5N1 clade 2.3.4 infections (3.8/1000 person-months) but higher than that of H5N1 clade 2.3.2.1 infections (0.3/1000 person-months). Compared with the general population, poultry workers were at higher risk of contracting H7N9 virus (IRR: 34.90; p < 0.001) or H5N1 clade 2.3.4 virus (IRR: 10.58; p < 0.001). Although risks of H7N9 and H5N1 virus infections remain low in Beijing, continued preventive measures are warranted for poultry workers.
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spelling pubmed-50373622016-09-30 Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015 Yang, Peng Ma, Chunna Cui, Shujuan Zhang, Daitao Shi, Weixian Pan, Yang Sun, Ying Lu, Guilan Peng, Xiaomin Zhao, Jiachen Liu, Yimeng Wang, Quanyi Sci Rep Article Although several studies have reported seroprevalences of antibody against avian influenza A(H7N9) virus among poultry workers in southern China, results have varied and data in northern China are scarce. To understand risks of H7N9 and H5N1 virus infections in northern China, a serological cohort study was conducted. Poultry workers, swine workers and the general population in Beijing, China, were evaluated through three surveys in November 2013, April 2014 and April 2015. The highest seroprevalence to H7N9 virus among poultry workers was recorded in the April 2014 and April 2015 surveys (0.4%), while that to H5N1 clade 2.3.4 or clade 2.3.2.1 virus was noted in the April 2014 survey (1.6% and 0.2%, respectively). The incidence of H7N9 virus infections among poultry workers (1.6/1000 person-months) was significantly lower than that of H5N1 clade 2.3.4 infections (3.8/1000 person-months) but higher than that of H5N1 clade 2.3.2.1 infections (0.3/1000 person-months). Compared with the general population, poultry workers were at higher risk of contracting H7N9 virus (IRR: 34.90; p < 0.001) or H5N1 clade 2.3.4 virus (IRR: 10.58; p < 0.001). Although risks of H7N9 and H5N1 virus infections remain low in Beijing, continued preventive measures are warranted for poultry workers. Nature Publishing Group 2016-09-27 /pmc/articles/PMC5037362/ /pubmed/27670286 http://dx.doi.org/10.1038/srep33877 Text en Copyright © 2016, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Yang, Peng
Ma, Chunna
Cui, Shujuan
Zhang, Daitao
Shi, Weixian
Pan, Yang
Sun, Ying
Lu, Guilan
Peng, Xiaomin
Zhao, Jiachen
Liu, Yimeng
Wang, Quanyi
Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title_full Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title_fullStr Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title_full_unstemmed Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title_short Avian influenza A(H7N9) and (H5N1) infections among poultry and swine workers and the general population in Beijing, China, 2013–2015
title_sort avian influenza a(h7n9) and (h5n1) infections among poultry and swine workers and the general population in beijing, china, 2013–2015
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5037362/
https://www.ncbi.nlm.nih.gov/pubmed/27670286
http://dx.doi.org/10.1038/srep33877
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