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Article: Transmission potential of the new influenza A(H1N1) virus and its age-specificity in Japan.

TitleTransmission potential of the new influenza A(H1N1) virus and its age-specificity in Japan.
Authors
KeywordsNishiura, H.
University Of Utrecht, Utrecht, The Netherlands.,
Email:H.Nishiura@Uu.Nl © Medline® Is The Source For The Citation And Abstract Of This Record.
Issue Date2009
Citation
Euro Surveillance : Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin, 2009, v. 14 n. 22 How to Cite?
AbstractOn 16 May 2009, Japan confirmed its first three cases of new influenza A(H1N1) virus infection without a history of overseas travel, and by 1 June, 361 cases, owing to indigenous secondary transmission, have been confirmed. Of these, 287 cases (79.5%) were teenagers (i.e. between 10 and 19 years of age). The reproduction number is estimated at 2.3 (95% confidence interval: 2.0, 2.6). The average number of secondary transmissions involving minors (those under 20 years of age) traced back to infected minors is estimated at 2.8. That is, minors can sustain transmission even in the absence of adults. Estimates of the effective reproduction number Rt moved below 1 by 17 May. Active surveillance and public health interventions, including school closures most likely have contributed to keeping Rt below one.
Persistent Identifierhttp://hdl.handle.net/10722/134209
ISSN
2015 Impact Factor: 5.983
2015 SCImago Journal Rankings: 2.112

 

DC FieldValueLanguage
dc.contributor.authorNishiura, Hen_HK
dc.contributor.authorCastilloChavez, Cen_HK
dc.contributor.authorSafan, Men_HK
dc.contributor.authorChowell, Gen_HK
dc.date.accessioned2011-06-13T07:20:50Z-
dc.date.available2011-06-13T07:20:50Z-
dc.date.issued2009en_HK
dc.identifier.citationEuro Surveillance : Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin, 2009, v. 14 n. 22en_HK
dc.identifier.issn1560-7917en_HK
dc.identifier.urihttp://hdl.handle.net/10722/134209-
dc.description.abstractOn 16 May 2009, Japan confirmed its first three cases of new influenza A(H1N1) virus infection without a history of overseas travel, and by 1 June, 361 cases, owing to indigenous secondary transmission, have been confirmed. Of these, 287 cases (79.5%) were teenagers (i.e. between 10 and 19 years of age). The reproduction number is estimated at 2.3 (95% confidence interval: 2.0, 2.6). The average number of secondary transmissions involving minors (those under 20 years of age) traced back to infected minors is estimated at 2.8. That is, minors can sustain transmission even in the absence of adults. Estimates of the effective reproduction number Rt moved below 1 by 17 May. Active surveillance and public health interventions, including school closures most likely have contributed to keeping Rt below one.en_HK
dc.languageengen_US
dc.relation.ispartofEuro surveillance : bulletin européen sur les maladies transmissibles = European communicable disease bulletinen_HK
dc.subjectNishiura, H.en_US
dc.subjectUniversity Of Utrecht, Utrecht, The Netherlands.,en_US
dc.subjectEmail:H.Nishiura@Uu.Nl © Medline® Is The Source For The Citation And Abstract Of This Record.en_US
dc.subject.meshAge Distributionen_HK
dc.subject.meshDisease Outbreaks - statistics & numerical dataen_HK
dc.subject.meshFemaleen_HK
dc.subject.meshHumansen_HK
dc.subject.meshIncidenceen_HK
dc.subject.meshInfluenza A Virus, H1N1 Subtype - isolation & purificationen_HK
dc.subject.meshInfluenza, Human - epidemiology - transmission - virologyen_HK
dc.subject.meshJapan - epidemiologyen_HK
dc.subject.meshMaleen_HK
dc.subject.meshPopulation Surveillanceen_HK
dc.subject.meshProportional Hazards Modelsen_HK
dc.subject.meshRisk Assessment - methodsen_HK
dc.subject.meshRisk Factorsen_HK
dc.titleTransmission potential of the new influenza A(H1N1) virus and its age-specificity in Japan.en_HK
dc.typeArticleen_HK
dc.identifier.emailNishiura, H:nishiura@hku.hken_HK
dc.identifier.authorityNishiura, H=rp01488en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid19497256-
dc.identifier.scopuseid_2-s2.0-68149183702en_HK
dc.identifier.volume14en_HK
dc.identifier.issue22en_HK
dc.identifier.scopusauthoridNishiura, H=7005501836en_HK
dc.identifier.scopusauthoridCastilloChavez, C=7003725806en_HK
dc.identifier.scopusauthoridSafan, M=14421859900en_HK
dc.identifier.scopusauthoridChowell, G=9845935500en_HK

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