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Article: A two-year surveillance of 2009 pandemic influenza A (H1N1) in Guangzhou, China: from pandemic to seasonal influenza?

TitleA two-year surveillance of 2009 pandemic influenza A (H1N1) in Guangzhou, China: from pandemic to seasonal influenza?
Authors
Issue Date2011
PublisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action
Citation
PLoS One, 2011, v. 6 n. 11, article no. e28027 How to Cite?
AbstractIn this two-years surveillance of 2009 pandemic influenza A (H1N1) (pH1N1) in Guangzhou, China, we reported here that the scale and duration of pH1N1 outbreaks, severe disease and fatality rates of pH1N1 patients were significantly lower or shorter in the second epidemic year (May 2010-April 2011) than those in the first epidemic year (May 2009-April 2010) (P<0.05), but similar to those of seasonal influenza (P>0.05). Similar to seasonal influenza, pre-existing chronic pulmonary diseases was a risk factor associated with fatal cases of pH1N1 influenza. Different from seasonal influenza, which occurred in spring/summer seasons annually, pH1N1 influenza mainly occurred in autumn/winter seasons in the first epidemic year, but prolonged to winter/spring season in the second epidemic year. The information suggests a tendency that the epidemics of pH1N1 influenza may probably further shift to spring/summer seasons and become a predominant subtype of seasonal influenza in coming years in Guangzhou, China.
Persistent Identifierhttp://hdl.handle.net/10722/157657
ISSN
2014 Impact Factor: 3.234
2014 SCImago Journal Rankings: 1.300
PubMed Central ID
ISI Accession Number ID
Funding AgencyGrant Number
Science and Information Technology of Guangzhou2010YIC09
Ministry of Science and Technology of the People's Republic of China2009ZX10004-306
2009ZX10004-213
Funding Information:

This study was supported by Science and Information Technology of Guangzhou (grant number 2010YIC09), and the Ministry of Science and Technology of the People's Republic of China (grant number 2009ZX10004-306 and 2009ZX10004-213). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

References

 

DC FieldValueLanguage
dc.contributor.authorLi, Ten_US
dc.contributor.authorFu, Cen_US
dc.contributor.authorDi, Ben_US
dc.contributor.authorWu, Jen_US
dc.contributor.authorYang, Zen_US
dc.contributor.authorWang, Yen_US
dc.contributor.authorLi, Men_US
dc.contributor.authorLu, Jen_US
dc.contributor.authorChen, Yen_US
dc.contributor.authorLu, Een_US
dc.contributor.authorGeng, Jen_US
dc.contributor.authorHu, Wen_US
dc.contributor.authorDong, Zen_US
dc.contributor.authorLi, MFen_US
dc.contributor.authorZheng, BJen_US
dc.contributor.authorCao, KYen_US
dc.contributor.authorWang, Men_US
dc.date.accessioned2012-08-08T08:52:00Z-
dc.date.available2012-08-08T08:52:00Z-
dc.date.issued2011en_US
dc.identifier.citationPLoS One, 2011, v. 6 n. 11, article no. e28027en_US
dc.identifier.issn1932-6203en_US
dc.identifier.urihttp://hdl.handle.net/10722/157657-
dc.description.abstractIn this two-years surveillance of 2009 pandemic influenza A (H1N1) (pH1N1) in Guangzhou, China, we reported here that the scale and duration of pH1N1 outbreaks, severe disease and fatality rates of pH1N1 patients were significantly lower or shorter in the second epidemic year (May 2010-April 2011) than those in the first epidemic year (May 2009-April 2010) (P<0.05), but similar to those of seasonal influenza (P>0.05). Similar to seasonal influenza, pre-existing chronic pulmonary diseases was a risk factor associated with fatal cases of pH1N1 influenza. Different from seasonal influenza, which occurred in spring/summer seasons annually, pH1N1 influenza mainly occurred in autumn/winter seasons in the first epidemic year, but prolonged to winter/spring season in the second epidemic year. The information suggests a tendency that the epidemics of pH1N1 influenza may probably further shift to spring/summer seasons and become a predominant subtype of seasonal influenza in coming years in Guangzhou, China.en_US
dc.languageengen_US
dc.publisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.actionen_US
dc.relation.ispartofPLoS Oneen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject.meshChina - epidemiology-
dc.subject.meshInfluenza A Virus, H1N1 Subtype - isolation and purification-
dc.subject.meshInfluenza, Human - epidemiology - virology-
dc.subject.meshPandemics-
dc.subject.meshSentinel Surveillance-
dc.titleA two-year surveillance of 2009 pandemic influenza A (H1N1) in Guangzhou, China: from pandemic to seasonal influenza?en_US
dc.typeArticleen_US
dc.identifier.emailZheng, BJ: bzheng@hkucc.hku.hken_US
dc.identifier.emailCao, KY: caoky@mail.sysu.edu.cn-
dc.identifier.emailWang, M: wangming@gzcdc.org.cn-
dc.identifier.authorityZheng, BJ=rp00353en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1371/journal.pone.0028027en_US
dc.identifier.pmid22125653-
dc.identifier.pmcidPMC3220710-
dc.identifier.scopuseid_2-s2.0-81355136066en_US
dc.identifier.hkuros203922-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-81355136066&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume6en_US
dc.identifier.issue11, article no. e28027en_US
dc.identifier.isiWOS:000297789200053-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridWang, M=53265130500en_US
dc.identifier.scopusauthoridCao, Ky=15845100900en_US
dc.identifier.scopusauthoridZheng, BJ=7201780588en_US
dc.identifier.scopusauthoridLi, Mf=27172358600en_US
dc.identifier.scopusauthoridDong, Z=54919983600en_US
dc.identifier.scopusauthoridHu, W=54581036900en_US
dc.identifier.scopusauthoridGeng, J=54580920100en_US
dc.identifier.scopusauthoridLu, E=7102537056en_US
dc.identifier.scopusauthoridChen, Y=23472111300en_US
dc.identifier.scopusauthoridLu, J=54581187400en_US
dc.identifier.scopusauthoridLi, M=14058326700en_US
dc.identifier.scopusauthoridWang, Y=36961494500en_US
dc.identifier.scopusauthoridYang, Z=40262763600en_US
dc.identifier.scopusauthoridYuen, KY=36078079100en_US
dc.identifier.scopusauthoridCheng, VC=23670479400en_US
dc.identifier.scopusauthoridChan, KH=7406035589en_US
dc.identifier.scopusauthoridTang, BS=8908243000en_US

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