Household and community transmission of the Asian influenza A (H2N2) and influenza B viruses in 1957 and 1961.
Identifieur interne : 000303 ( Ncbi/Merge ); précédent : 000302; suivant : 000304Household and community transmission of the Asian influenza A (H2N2) and influenza B viruses in 1957 and 1961.
Auteurs : Hiroshi Nishiura [Allemagne] ; Gerardo ChowellSource :
- The Southeast Asian journal of tropical medicine and public health [ 0125-1562 ] ; 2007.
Descripteurs français
- KwdFr :
- Algorithmes, Caractéristiques de l'habitat, Caractéristiques familiales, Flambées de maladies (histoire), Grippe humaine (histoire), Grippe humaine (transmission), Grippe humaine (épidémiologie), Histoire du 20ème siècle, Humains, Japon (épidémiologie), Sous-type H2N2 du virus de la grippe A, Virus influenza B.
- MESH :
- Wicri :
- geographic : Japon.
English descriptors
- KwdEn :
- MESH :
- geographic , epidemiology : Japan.
- epidemiology : Influenza, Human.
- history : Disease Outbreaks, Influenza, Human.
- transmission : Influenza, Human.
- Algorithms, Family Characteristics, History, 20th Century, Humans, Influenza A Virus, H2N2 Subtype, Influenza B virus, Residence Characteristics.
Abstract
This study analyzed the distribution of the number of cases in households of various sizes, reconsidering previous survey data from the Asian influenza A (H2N2) pandemic in 1957 and the influenza B epidemic in 1961. The final size distributions for the number of household cases were extracted from four different data sources (n = 547, 671, 92 and 263 households), and a probability model was applied to estimate the community probability of infection (CPI) and household secondary attack rate (SAR). For the 1957 Asian influenza pandemic, the CPI and household SAR were estimated to be 0.42 [95% confidence intervals (CI): 0.37, 0.47] and 7.06% (95% CI: 4.73, 9.44), respectively, using data from Tokyo. The figures for the same pandemic using data from Osaka were 0.21 (95% CI: 0.19, 0.22) and 9.07% (95% CI: 6.73, 11.53), respectively. Similarly, the CPI and household SAR for two different datasets of influenza B epidemics in Osaka in 1961 were estimated as 0.37 (95% CI: 0.30, 0.44) and 18.41% (95% CI: 11.37, 25.95) and 0.20 (95% CI: 0.13, 0.28) and 10.51% (95% CI: 8.01, 13.15), respectively. Community transmission was more frequent than household transmission, both for the Asian influenza pandemic and the influenza B epidemic, implying that community-based countermeasures (eg, area quarantine and social distancing) may play key roles in influenza interventions.
PubMed: 18613549
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xml:lang="fr"><term>Algorithmes</term><term>Caractéristiques de l'habitat</term><term>Caractéristiques familiales</term><term>Histoire du 20ème siècle</term><term>Humains</term><term>Sous-type H2N2 du virus de la grippe A</term><term>Virus influenza B</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Japon</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study analyzed the distribution of the number of cases in households of various sizes, reconsidering previous survey data from the Asian influenza A (H2N2) pandemic in 1957 and the influenza B epidemic in 1961. The final size distributions for the number of household cases were extracted from four different data sources (n = 547, 671, 92 and 263 households), and a probability model was applied to estimate the community probability of infection (CPI) and household secondary attack rate (SAR). For the 1957 Asian influenza pandemic, the CPI and household SAR were estimated to be 0.42 [95% confidence intervals (CI): 0.37, 0.47] and 7.06% (95% CI: 4.73, 9.44), respectively, using data from Tokyo. The figures for the same pandemic using data from Osaka were 0.21 (95% CI: 0.19, 0.22) and 9.07% (95% CI: 6.73, 11.53), respectively. Similarly, the CPI and household SAR for two different datasets of influenza B epidemics in Osaka in 1961 were estimated as 0.37 (95% CI: 0.30, 0.44) and 18.41% (95% CI: 11.37, 25.95) and 0.20 (95% CI: 0.13, 0.28) and 10.51% (95% CI: 8.01, 13.15), respectively. Community transmission was more frequent than household transmission, both for the Asian influenza pandemic and the influenza B epidemic, implying that community-based countermeasures (eg, area quarantine and social distancing) may play key roles in influenza interventions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18613549</PMID><DateCompleted><Year>2008</Year><Month>12</Month><Day>04</Day></DateCompleted><DateRevised><Year>2008</Year><Month>07</Month><Day>10</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0125-1562</ISSN><JournalIssue CitedMedium="Print"><Volume>38</Volume><Issue>6</Issue><PubDate><Year>2007</Year><Month>Nov</Month></PubDate></JournalIssue><Title>The Southeast Asian journal of tropical medicine and public health</Title><ISOAbbreviation>Southeast Asian J. Trop. Med. Public Health</ISOAbbreviation></Journal><ArticleTitle>Household and community transmission of the Asian influenza A (H2N2) and influenza B viruses in 1957 and 1961.</ArticleTitle><Pagination><MedlinePgn>1075-83</MedlinePgn></Pagination><Abstract><AbstractText>This study analyzed the distribution of the number of cases in households of various sizes, reconsidering previous survey data from the Asian influenza A (H2N2) pandemic in 1957 and the influenza B epidemic in 1961. The final size distributions for the number of household cases were extracted from four different data sources (n = 547, 671, 92 and 263 households), and a probability model was applied to estimate the community probability of infection (CPI) and household secondary attack rate (SAR). For the 1957 Asian influenza pandemic, the CPI and household SAR were estimated to be 0.42 [95% confidence intervals (CI): 0.37, 0.47] and 7.06% (95% CI: 4.73, 9.44), respectively, using data from Tokyo. The figures for the same pandemic using data from Osaka were 0.21 (95% CI: 0.19, 0.22) and 9.07% (95% CI: 6.73, 11.53), respectively. Similarly, the CPI and household SAR for two different datasets of influenza B epidemics in Osaka in 1961 were estimated as 0.37 (95% CI: 0.30, 0.44) and 18.41% (95% CI: 11.37, 25.95) and 0.20 (95% CI: 0.13, 0.28) and 10.51% (95% CI: 8.01, 13.15), respectively. Community transmission was more frequent than household transmission, both for the Asian influenza pandemic and the influenza B epidemic, implying that community-based countermeasures (eg, area quarantine and social distancing) may play key roles in influenza interventions.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Nishiura</LastName><ForeName>Hiroshi</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Medical Biometry, University of Tübingen, Tübingen, Germany. h.nishiura@uu.nl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chowell</LastName><ForeName>Gerardo</ForeName><Initials>G</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016456">Historical Article</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Thailand</Country><MedlineTA>Southeast Asian J Trop Med Public Health</MedlineTA><NlmUniqueID>0266303</NlmUniqueID><ISSNLinking>0125-1562</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000465" MajorTopicYN="N">Algorithms</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004196" MajorTopicYN="N">Disease Outbreaks</DescriptorName><QualifierName UI="Q000266" MajorTopicYN="Y">history</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005191" MajorTopicYN="N">Family Characteristics</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D049673" MajorTopicYN="N">History, 20th Century</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D053121" MajorTopicYN="Y">Influenza A Virus, H2N2 Subtype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009981" MajorTopicYN="Y">Influenza B virus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007251" MajorTopicYN="N">Influenza, Human</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName><QualifierName UI="Q000266" MajorTopicYN="N">history</QualifierName><QualifierName UI="Q000635" MajorTopicYN="Y">transmission</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007564" MajorTopicYN="N" Type="Geographic">Japan</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012111" MajorTopicYN="N">Residence Characteristics</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>7</Month><Day>11</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>7</Month><Day>11</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18613549</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country><region><li>Bade-Wurtemberg</li><li>District de Tübingen</li></region><settlement><li>Tübingen</li></settlement></list><tree><noCountry><name sortKey="Chowell, Gerardo" sort="Chowell, Gerardo" uniqKey="Chowell G" first="Gerardo" last="Chowell">Gerardo Chowell</name></noCountry><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Nishiura, Hiroshi" sort="Nishiura, Hiroshi" uniqKey="Nishiura H" first="Hiroshi" last="Nishiura">Hiroshi Nishiura</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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