Initial human transmission dynamics of the pandemic (H1N1) 2009 virus in North America
Identifieur interne : 000407 ( Ncbi/Checkpoint ); précédent : 000406; suivant : 000408Initial human transmission dynamics of the pandemic (H1N1) 2009 virus in North America
Auteurs : Babak Pourbohloul ; Armando Ahued ; Bahman Davoudi ; Rafael Meza ; Lauren A. Meyers ; Danuta M. Skowronski ; Ignacio Villase Or ; Fernando Galván ; Patricia Cravioto ; David J. D. Earn ; Jonathan Dushoff ; David Fisman ; W. John Edmunds ; Nathaniel Hupert ; Samuel V. Scarpino ; Jesús Trujillo ; Miguel Lutzow ; Jorge Morales ; Ada Contreras ; Carolina Chávez ; David M. Patrick ; Robert C. BrunhamSource :
- Influenza and Other Respiratory Viruses [ 1750-2640 ] ; 2009.
Abstract
Url:
DOI: 10.1111/j.1750-2659.2009.00100.x
PubMed: 19702583
PubMed Central: 3122129
Affiliations:
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PMC:3122129Le document en format XML
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<author><name sortKey="Chavez, Carolina" sort="Chavez, Carolina" uniqKey="Chavez C" first="Carolina" last="Chávez">Carolina Chávez</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Initial human transmission dynamics of the pandemic (H1N1) 2009 virus in North America</title>
<author><name sortKey="Pourbohloul, Babak" sort="Pourbohloul, Babak" uniqKey="Pourbohloul B" first="Babak" last="Pourbohloul">Babak Pourbohloul</name>
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<author><name sortKey="Ahued, Armando" sort="Ahued, Armando" uniqKey="Ahued A" first="Armando" last="Ahued">Armando Ahued</name>
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<author><name sortKey="Davoudi, Bahman" sort="Davoudi, Bahman" uniqKey="Davoudi B" first="Bahman" last="Davoudi">Bahman Davoudi</name>
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<author><name sortKey="Meza, Rafael" sort="Meza, Rafael" uniqKey="Meza R" first="Rafael" last="Meza">Rafael Meza</name>
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<author><name sortKey="Meyers, Lauren A" sort="Meyers, Lauren A" uniqKey="Meyers L" first="Lauren A." last="Meyers">Lauren A. Meyers</name>
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<author><name sortKey="Skowronski, Danuta M" sort="Skowronski, Danuta M" uniqKey="Skowronski D" first="Danuta M." last="Skowronski">Danuta M. Skowronski</name>
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<author><name sortKey="Villase Or, Ignacio" sort="Villase Or, Ignacio" uniqKey="Villase Or I" first="Ignacio" last="Villase Or">Ignacio Villase Or</name>
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</affiliation>
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<author><name sortKey="Galvan, Fernando" sort="Galvan, Fernando" uniqKey="Galvan F" first="Fernando" last="Galván">Fernando Galván</name>
<affiliation><nlm:aff id="a6"></nlm:aff>
</affiliation>
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<author><name sortKey="Cravioto, Patricia" sort="Cravioto, Patricia" uniqKey="Cravioto P" first="Patricia" last="Cravioto">Patricia Cravioto</name>
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</affiliation>
</author>
<author><name sortKey="Earn, David J D" sort="Earn, David J D" uniqKey="Earn D" first="David J. D." last="Earn">David J. D. Earn</name>
<affiliation><nlm:aff id="a7"></nlm:aff>
</affiliation>
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<author><name sortKey="Dushoff, Jonathan" sort="Dushoff, Jonathan" uniqKey="Dushoff J" first="Jonathan" last="Dushoff">Jonathan Dushoff</name>
<affiliation><nlm:aff id="a7"></nlm:aff>
</affiliation>
</author>
<author><name sortKey="Fisman, David" sort="Fisman, David" uniqKey="Fisman D" first="David" last="Fisman">David Fisman</name>
<affiliation><nlm:aff id="a8"></nlm:aff>
</affiliation>
</author>
<author><name sortKey="Edmunds, W John" sort="Edmunds, W John" uniqKey="Edmunds W" first="W. John" last="Edmunds">W. John Edmunds</name>
<affiliation><nlm:aff id="a9"></nlm:aff>
</affiliation>
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<author><name sortKey="Hupert, Nathaniel" sort="Hupert, Nathaniel" uniqKey="Hupert N" first="Nathaniel" last="Hupert">Nathaniel Hupert</name>
<affiliation><nlm:aff id="a10"></nlm:aff>
</affiliation>
<affiliation><nlm:aff id="a11"></nlm:aff>
</affiliation>
</author>
<author><name sortKey="Scarpino, Samuel V" sort="Scarpino, Samuel V" uniqKey="Scarpino S" first="Samuel V." last="Scarpino">Samuel V. Scarpino</name>
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</affiliation>
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<author><name sortKey="Trujillo, Jesus" sort="Trujillo, Jesus" uniqKey="Trujillo J" first="Jesús" last="Trujillo">Jesús Trujillo</name>
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</affiliation>
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<author><name sortKey="Lutzow, Miguel" sort="Lutzow, Miguel" uniqKey="Lutzow M" first="Miguel" last="Lutzow">Miguel Lutzow</name>
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</affiliation>
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<author><name sortKey="Morales, Jorge" sort="Morales, Jorge" uniqKey="Morales J" first="Jorge" last="Morales">Jorge Morales</name>
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</affiliation>
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<author><name sortKey="Contreras, Ada" sort="Contreras, Ada" uniqKey="Contreras A" first="Ada" last="Contreras">Ada Contreras</name>
<affiliation><nlm:aff id="a3"></nlm:aff>
</affiliation>
</author>
<author><name sortKey="Chavez, Carolina" sort="Chavez, Carolina" uniqKey="Chavez C" first="Carolina" last="Chávez">Carolina Chávez</name>
<affiliation><nlm:aff id="a3"></nlm:aff>
</affiliation>
</author>
<author><name sortKey="Patrick, David M" sort="Patrick, David M" uniqKey="Patrick D" first="David M." last="Patrick">David M. Patrick</name>
<affiliation><nlm:aff id="a5"></nlm:aff>
</affiliation>
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<author><name sortKey="Brunham, Robert C" sort="Brunham, Robert C" uniqKey="Brunham R" first="Robert C." last="Brunham">Robert C. Brunham</name>
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</affiliation>
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</analytic>
<series><title level="j">Influenza and Other Respiratory Viruses</title>
<idno type="ISSN">1750-2640</idno>
<idno type="eISSN">1750-2659</idno>
<imprint><date when="2009">2009</date>
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<front><div type="abstract" xml:lang="en"><p><bold>Background </bold>
Between 5 and 25 April 2009, pandemic (H1N1) 2009 caused a substantial, severe outbreak in Mexico, and subsequently developed into the first global pandemic in 41 years. We determined the reproduction number of pandemic (H1N1) 2009 by analyzing the dynamics of the complete case series in Mexico City during this early period.</p>
<p><bold>Methods </bold>
We analyzed three mutually exclusive datasets from Mexico City <italic>Distrito Federal</italic>
which constituted all suspect cases from 15 March to 25 April: confirmed pandemic (H1N1) 2009 infections, non‐pandemic influenza A infections and patients who tested negative for influenza. We estimated the initial reproduction number from 497 suspect cases identified prior to 20 April, using a novel contact network methodology incorporating dates of symptom onset and hospitalization, variation in contact rates, extrinsic sociological factors, and uncertainties in underreporting and disease progression. We tested the robustness of this estimate using both the subset of laboratory‐confirmed pandemic (H1N1) 2009 infections and an extended case series through 25 April, adjusted for suspected ascertainment bias.</p>
<p><bold>Results </bold>
The initial reproduction number (95% confidence interval range) for this novel virus is 1·51 (1·32–1·71) based on suspected cases and 1·43 (1·29–1·57) based on confirmed cases before 20 April. The longer time series (through 25 April) yielded a higher estimate of 2·04 (1·84–2·25), which reduced to 1·44 (1·38–1·51) after correction for ascertainment bias.</p>
<p><bold>Conclusions </bold>
The estimated transmission characteristics of pandemic (H1N1) 2009 suggest that pharmaceutical and non‐pharmaceutical mitigation measures may appreciably limit its spread prior the development of an effective vaccine.</p>
</div>
</front>
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<name sortKey="Chavez, Carolina" sort="Chavez, Carolina" uniqKey="Chavez C" first="Carolina" last="Chávez">Carolina Chávez</name>
<name sortKey="Contreras, Ada" sort="Contreras, Ada" uniqKey="Contreras A" first="Ada" last="Contreras">Ada Contreras</name>
<name sortKey="Cravioto, Patricia" sort="Cravioto, Patricia" uniqKey="Cravioto P" first="Patricia" last="Cravioto">Patricia Cravioto</name>
<name sortKey="Davoudi, Bahman" sort="Davoudi, Bahman" uniqKey="Davoudi B" first="Bahman" last="Davoudi">Bahman Davoudi</name>
<name sortKey="Dushoff, Jonathan" sort="Dushoff, Jonathan" uniqKey="Dushoff J" first="Jonathan" last="Dushoff">Jonathan Dushoff</name>
<name sortKey="Earn, David J D" sort="Earn, David J D" uniqKey="Earn D" first="David J. D." last="Earn">David J. D. Earn</name>
<name sortKey="Edmunds, W John" sort="Edmunds, W John" uniqKey="Edmunds W" first="W. John" last="Edmunds">W. John Edmunds</name>
<name sortKey="Fisman, David" sort="Fisman, David" uniqKey="Fisman D" first="David" last="Fisman">David Fisman</name>
<name sortKey="Galvan, Fernando" sort="Galvan, Fernando" uniqKey="Galvan F" first="Fernando" last="Galván">Fernando Galván</name>
<name sortKey="Hupert, Nathaniel" sort="Hupert, Nathaniel" uniqKey="Hupert N" first="Nathaniel" last="Hupert">Nathaniel Hupert</name>
<name sortKey="Lutzow, Miguel" sort="Lutzow, Miguel" uniqKey="Lutzow M" first="Miguel" last="Lutzow">Miguel Lutzow</name>
<name sortKey="Meyers, Lauren A" sort="Meyers, Lauren A" uniqKey="Meyers L" first="Lauren A." last="Meyers">Lauren A. Meyers</name>
<name sortKey="Meza, Rafael" sort="Meza, Rafael" uniqKey="Meza R" first="Rafael" last="Meza">Rafael Meza</name>
<name sortKey="Morales, Jorge" sort="Morales, Jorge" uniqKey="Morales J" first="Jorge" last="Morales">Jorge Morales</name>
<name sortKey="Patrick, David M" sort="Patrick, David M" uniqKey="Patrick D" first="David M." last="Patrick">David M. Patrick</name>
<name sortKey="Pourbohloul, Babak" sort="Pourbohloul, Babak" uniqKey="Pourbohloul B" first="Babak" last="Pourbohloul">Babak Pourbohloul</name>
<name sortKey="Scarpino, Samuel V" sort="Scarpino, Samuel V" uniqKey="Scarpino S" first="Samuel V." last="Scarpino">Samuel V. Scarpino</name>
<name sortKey="Skowronski, Danuta M" sort="Skowronski, Danuta M" uniqKey="Skowronski D" first="Danuta M." last="Skowronski">Danuta M. Skowronski</name>
<name sortKey="Trujillo, Jesus" sort="Trujillo, Jesus" uniqKey="Trujillo J" first="Jesús" last="Trujillo">Jesús Trujillo</name>
<name sortKey="Villase Or, Ignacio" sort="Villase Or, Ignacio" uniqKey="Villase Or I" first="Ignacio" last="Villase Or">Ignacio Villase Or</name>
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