H2N2V1, Main, Exploration, bibRecord, 000B67

Viral genetic sequence variations in pandemic H1N1/2009 and seasonal H3N2 influenza viruses within an individual, a household and a community.

Identifieur interne : 000B67 ( Main/Exploration ); précédent : 000B66; suivant : 000B68

Viral genetic sequence variations in pandemic H1N1/2009 and seasonal H3N2 influenza viruses within an individual, a household and a community.

Auteurs : Leo L. M. Poon [République populaire de Chine] ; Kowk H. Chan [République populaire de Chine] ; Daniel K. W. Chu [République populaire de Chine] ; Cherry C. Y. Fung [République populaire de Chine] ; Calvin K. Y. Cheng [République populaire de Chine] ; Dennis K. M. Ip [République populaire de Chine] ; Gabriel M. Leung [République populaire de Chine] ; Joseph S. M. Peiris [République populaire de Chine] ; Benjamin J. Cowling [République populaire de Chine]

Source :

Journal of Clinical Virology [ 1386-6532 ] ; 2011-07-28.

RBID : Hal:pasteur-00614344

Abstract

BACKGROUND: There are few data in the literature on viral sequence variation between host generations/successive transmission events. Relatively little is known about the sequence heterogeneity of the influenza viruses transmitted within families. OBJECTIVES: To study the molecular epidemiology of influenza virus and to determine the sequence variation within an individual, a household and a community during the first wave of influenza pandemic in 2009. STUDY DESIGN: A prospective study of household transmission of influenza A in Hong Kong was conducted during the pandemic in 2009. The HA and NA sequences of pandemic and seasonal influenza A viral isolates identified in this household transmission study were sequences and analyzed. RESULTS: Our results indicated that there were multiple introductions of influenza viruses into Hong Kong. Sequence analysis of these isolates suggested that members of these family clusters acquired the infection by household transmissions. Interestingly, unlike those concluded from previous household transmission studies, we observed sequence variations between sequential samples from the same person and also within the same household. CONCLUSIONS: Family clusters of influenza A viral infection are predominantly the result of secondary transmission within a household. Our results also suggested that the intra-host viral sequence variation might be more common that than previously thought.

Url:

https://hal-riip.archives-ouvertes.fr/pasteur-00614344

DOI: 10.1016/j.jcv.2011.06.022

Affiliations:

République populaire de Chine

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 000315
to stream Hal, to step Curation: 000315
to stream Hal, to step Checkpoint: 000222
to stream Main, to step Merge: 000B71
to stream Main, to step Curation: 000B67

Le document en format XML

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        <tutelles><tutelle active="#struct-93487" type="direct"><org type="institution" xml:id="struct-93487" status="VALID">          <orgName>The University of Hong Kong</orgName>
          <orgName type="acronym">HKU</orgName>
          <desc>            <address>              <addrLine>Pokfulam, Hong Kong</addrLine>
              <country key="HK"></country>
            </address>
            <ref type="url">http://www.hku.hk/</ref>
          </desc>
        </org>
</tutelle>
</tutelles>
</hal:affiliation>
<country>République populaire de Chine</country>
</affiliation>
</author>
</analytic>
<idno type="DOI">10.1016/j.jcv.2011.06.022</idno>
<series><title level="j">Journal of Clinical Virology</title>
<idno type="ISSN">1386-6532</idno>
<imprint><date type="datePub">2011-07-28</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">              <p>BACKGROUND: There are few data in the literature on viral sequence variation between host generations/successive transmission events. Relatively little is known about the sequence heterogeneity of the influenza viruses transmitted within families. OBJECTIVES: To study the molecular epidemiology of influenza virus and to determine the sequence variation within an individual, a household and a community during the first wave of influenza pandemic in 2009. STUDY DESIGN: A prospective study of household transmission of influenza A in Hong Kong was conducted during the pandemic in 2009. The HA and NA sequences of pandemic and seasonal influenza A viral isolates identified in this household transmission study were sequences and analyzed. RESULTS: Our results indicated that there were multiple introductions of influenza viruses into Hong Kong. Sequence analysis of these isolates suggested that members of these family clusters acquired the infection by household transmissions. Interestingly, unlike those concluded from previous household transmission studies, we observed sequence variations between sequential samples from the same person and also within the same household. CONCLUSIONS: Family clusters of influenza A viral infection are predominantly the result of secondary transmission within a household. Our results also suggested that the intra-host viral sequence variation might be more common that than previously thought.</p>
            </div>
</front>
</TEI>
<affiliations><list><country><li>République populaire de Chine</li>
</country>
</list>
<tree><country name="République populaire de Chine"><noRegion><name sortKey="Poon, Leo L M" sort="Poon, Leo L M" uniqKey="Poon L" first="Leo L. M." last="Poon">Leo L. M. Poon</name>
</noRegion>
<name sortKey="Chan, Kowk H" sort="Chan, Kowk H" uniqKey="Chan K" first="Kowk H." last="Chan">Kowk H. Chan</name>
<name sortKey="Cheng, Calvin K Y" sort="Cheng, Calvin K Y" uniqKey="Cheng C" first="Calvin K. Y." last="Cheng">Calvin K. Y. Cheng</name>
<name sortKey="Chu, Daniel K W" sort="Chu, Daniel K W" uniqKey="Chu D" first="Daniel K. W." last="Chu">Daniel K. W. Chu</name>
<name sortKey="Cowling, Benjamin J" sort="Cowling, Benjamin J" uniqKey="Cowling B" first="Benjamin J." last="Cowling">Benjamin J. Cowling</name>
<name sortKey="Fung, Cherry C Y" sort="Fung, Cherry C Y" uniqKey="Fung C" first="Cherry C. Y." last="Fung">Cherry C. Y. Fung</name>
<name sortKey="Ip, Dennis K M" sort="Ip, Dennis K M" uniqKey="Ip D" first="Dennis K. M." last="Ip">Dennis K. M. Ip</name>
<name sortKey="Leung, Gabriel M" sort="Leung, Gabriel M" uniqKey="Leung G" first="Gabriel M." last="Leung">Gabriel M. Leung</name>
<name sortKey="Peiris, Joseph S M" sort="Peiris, Joseph S M" uniqKey="Peiris J" first="Joseph S. M." last="Peiris">Joseph S. M. Peiris</name>
</country>
</tree>
</affiliations>
</record>

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Viral genetic sequence variations in pandemic H1N1/2009 and seasonal H3N2 influenza viruses within an individual, a household and a community.

Viral genetic sequence variations in pandemic H1N1/2009 and seasonal H3N2 influenza viruses within an individual, a household and a community.

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