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Article: Entry screening to delay local transmission of 2009 pandemic influenza A (H1N1)

TitleEntry screening to delay local transmission of 2009 pandemic influenza A (H1N1)
Authors
Issue Date2010
PublisherBioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcinfectdis/
Citation
Bmc Infectious Diseases, 2010, v. 10 How to Cite?
AbstractBackground: After the WHO issued the global alert for 2009 pandemic influenza A (H1N1), many national health agencies began to screen travelers on entry in airports, ports and border crossings to try to delay local transmission.Methods: We reviewed entry screening policies adopted by different nations and ascertained dates of official report of the first laboratory-confirmed imported H1N1 case and the first laboratory-confirmed untraceable or 'local' H1N1 case.Results: Implementation of entry screening policies was associated with on average additional 7-12 day delays in local transmission compared to nations that did not implement entry screening, with lower bounds of 95% confidence intervals consistent with no additional delays and upper bounds extending to 20-30 day additional delays.Conclusions: Entry screening may lead to short-term delays in local transmission of a novel strain of influenza virus. The resources required for implementation should be balanced against the expected benefits of entry screening. © 2010 Cowling et al; licensee BioMed Central Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/86543
ISSN
2015 Impact Factor: 2.69
2015 SCImago Journal Rankings: 1.510
PubMed Central ID
ISI Accession Number ID
Funding AgencyGrant Number
Government of the Hong Kong SARHK-09-0404
US National Institutes of Health Models of Infectious Disease1 U54 GM088558
Hong Kong University Grants CommitteeAoE/M-12/06
Japan Science and Technology Agency (JST)
Funding Information:

We thank Dr LM Ho for technical support. This work has received financial support from the Research Fund for the Control of Infectious Disease, Food and Health Bureau, Government of the Hong Kong SAR ( grant no. HK-09-0404), the Harvard Center for Communicable Disease Dynamics from the US National Institutes of Health Models of Infectious Disease Agent Study program ( grant no. 1 U54 GM088558), and the Area of Excellence Scheme of the Hong Kong University Grants Committee ( grant no. AoE/M-12/06). The work of HN was supported by PRESTO of the Japan Science and Technology Agency (JST). Study sponsors had no role in study design, data analysis, manuscript writing or the decision to submit for publication.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorCowling, BJen_HK
dc.contributor.authorLau, LLHen_HK
dc.contributor.authorWu, Pen_HK
dc.contributor.authorWong, HWCen_HK
dc.contributor.authorFang, VJen_HK
dc.contributor.authorRiley, Sen_HK
dc.contributor.authorNishiura, Hen_HK
dc.date.accessioned2010-09-06T09:18:20Z-
dc.date.available2010-09-06T09:18:20Z-
dc.date.issued2010en_HK
dc.identifier.citationBmc Infectious Diseases, 2010, v. 10en_HK
dc.identifier.issn1471-2334en_HK
dc.identifier.urihttp://hdl.handle.net/10722/86543-
dc.description.abstractBackground: After the WHO issued the global alert for 2009 pandemic influenza A (H1N1), many national health agencies began to screen travelers on entry in airports, ports and border crossings to try to delay local transmission.Methods: We reviewed entry screening policies adopted by different nations and ascertained dates of official report of the first laboratory-confirmed imported H1N1 case and the first laboratory-confirmed untraceable or 'local' H1N1 case.Results: Implementation of entry screening policies was associated with on average additional 7-12 day delays in local transmission compared to nations that did not implement entry screening, with lower bounds of 95% confidence intervals consistent with no additional delays and upper bounds extending to 20-30 day additional delays.Conclusions: Entry screening may lead to short-term delays in local transmission of a novel strain of influenza virus. The resources required for implementation should be balanced against the expected benefits of entry screening. © 2010 Cowling et al; licensee BioMed Central Ltd.en_HK
dc.languageengen_HK
dc.publisherBioMed Central Ltd. The Journal's web site is located at http://www.biomedcentral.com/bmcinfectdis/en_HK
dc.relation.ispartofBMC Infectious Diseasesen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject.meshCommunicable Disease Control - methods-
dc.subject.meshHealth Policy-
dc.subject.meshInfluenza A Virus, H1N1 Subtype - isolation and purification-
dc.subject.meshInfluenza, Human - epidemiology - prevention and control - virology-
dc.subject.meshMass Screening - methods-
dc.titleEntry screening to delay local transmission of 2009 pandemic influenza A (H1N1)en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1471-2334&volume=10 article no. 82&spage=&epage=&date=2010&atitle=Entry+screening+to+delay+local+transmission+of+2009+pandemic+influenza+A+(H1N1)en_HK
dc.identifier.emailCowling, BJ:bcowling@hku.hken_HK
dc.identifier.emailRiley, S:sriley@hkucc.hku.hk, steven.riley@hku.hken_HK
dc.identifier.emailNishiura, H:nishiura@hku.hken_HK
dc.identifier.authorityCowling, BJ=rp01326en_HK
dc.identifier.authorityRiley, S=rp00511en_HK
dc.identifier.authorityNishiura, H=rp01488en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1186/1471-2334-10-82en_HK
dc.identifier.pmid20353566en_HK
dc.identifier.pmcidPMC3152767-
dc.identifier.scopuseid_2-s2.0-77950387286en_HK
dc.identifier.hkuros169733en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77950387286&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.isiWOS:000276836800002-
dc.publisher.placeUnited Kingdomen_HK
dc.relation.projectControl of Pandemic and Inter-pandemic Influenza-
dc.identifier.scopusauthoridCowling, BJ=8644765500en_HK
dc.identifier.scopusauthoridLau, LLH=36010688600en_HK
dc.identifier.scopusauthoridWu, P=7403119736en_HK
dc.identifier.scopusauthoridWong, HWC=36090577600en_HK
dc.identifier.scopusauthoridFang, VJ=24474130400en_HK
dc.identifier.scopusauthoridRiley, S=7102619416en_HK
dc.identifier.scopusauthoridNishiura, H=7005501836en_HK
dc.identifier.citeulike6945063-

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