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Serological Evidence and Risk Factors for Swine Influenza Infections among Chinese Swine Workers in Guangdong Province

Ma, Mengmeng ; Anderson, Benjamin D ; Wang, Tao ; Chen, Yingan ; Zhang, Dingmei ; Gray, Gregory C ; Lu, Jiahai Zhang, Guihong

PloS one, 2015-05, Vol.10 (5), p.e0128479-e0128479 [Peer Reviewed Journal]

United States: Public Library of Science

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Title:
Serological Evidence and Risk Factors for Swine Influenza Infections among Chinese Swine Workers in Guangdong Province
Author: Ma, Mengmeng ; Anderson, Benjamin D ; Wang, Tao ; Chen, Yingan ; Zhang, Dingmei ; Gray, Gregory C ; Lu, Jiahai
Zhang, Guihong
Subjects: Adult ; Agricultural laborers ; Animals ; Antibodies, Viral - immunology ; Antigens ; Antigens, Viral - immunology ; China ; Cross-Sectional Studies ; Demographic aspects ; Diseases ; Enrollments ; Epidemiology ; Female ; Health aspects ; Health risks ; Hemagglutination inhibition ; Hemagglutination Inhibition Tests - methods ; Hogs ; Humans ; Influenza ; Influenza A Virus, H1N1 Subtype - immunology ; Influenza A Virus, H3N2 Subtype - immunology ; Influenza Vaccines - immunology ; Influenza, Human - immunology ; Influenza, Human - virology ; Livestock ; Male ; Middle Aged ; Pandemics ; Respiratory diseases ; Risk analysis ; Risk Factors ; Seroepidemiologic Studies ; Studies ; Swine ; Swine - immunology ; Swine - virology ; Swine flu ; Swine influenza ; Vaccines ; Viruses ; Zoonoses
Is Part Of: PloS one, 2015-05, Vol.10 (5), p.e0128479-e0128479
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Conceived and designed the experiments: GCG JL. Performed the experiments: MM TW YC DZ. Analyzed the data: MM BDA. Contributed reagents/materials/analysis tools: JL TW YC DZ. Wrote the paper: MM GCG.
Competing Interests: The authors have declared that no competing interests exist.
Description: During July to September 2014, we performed a controlled, cross-sectional, seroepidemiologic study among 203 swine workers and 115 control subjects in Guangdong Province. Sera were tested using a hemagglutination inhibition assay against locally-isolated swine H3N2 and H1N1 viruses and commercially-obtained human influenza viral antigens. We found swine workers had a greater prevalence and odds of seropositivity against the swine H3N2 virus (17.3% vs. 7.0%; adjusted OR, 3.4; 95% CI, 1.1 -10.7). Younger age, self-report of a respiratory illness during the last 12 months, and seropositivity against seasonal H3N2 virus were identified as significant risk factors for seropositivity against swine H3N2 virus. As swine workers in China may be exposed to novel influenza viruses, it seems prudent for China to conduct special surveillance for such viruses among them. It also seems wise to offer such workers seasonal influenza vaccines with a goal to reduce cross-species influenza virus transmission.
Publisher: United States: Public Library of Science
Language: English

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Serological Evidence and Risk Factors for Swine Influenza Infections among Chinese Swine Workers in Guangdong Province

Ma, Mengmeng ; Anderson, Benjamin D ; Wang, Tao ; Chen, Yingan ; Zhang, Dingmei ; Gray, Gregory C ; Lu, Jiahai Zhang, Guihong

United States: Public Library of Science

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