Influenza virus emitted by naturally-infected hosts in a healthcare setting
Identifieur interne : 000E24 ( Pmc/Checkpoint ); précédent : 000E23; suivant : 000E25Influenza virus emitted by naturally-infected hosts in a healthcare setting
Auteurs : Samira Mubareka [Canada] ; Andrea Granados [Canada] ; Ushma Naik [Canada] ; Ilyse Darwish [Canada] ; Todd A. Cutts [Canada] ; George Astrakianakis [Canada] ; Jonathan B. Gubbay [Canada] ; Adriana Peci [Canada] ; James A. Scott [Canada]Source :
- Journal of Clinical Virology [ 1386-6532 ] ; 2015.
Abstract
This pilot study examined the viral content of bioaerosols emitted by patients with laboratory-confirmed influenza. Nine out of fifteen patients emitted variable amounts of viral RNA. Patients with influenza may emit virus into the air which disperses >1 m and may reach the breathing zone of a healthcare worker.
Url:
DOI: 10.1016/j.jcv.2015.11.002
PubMed: 26590688
PubMed Central: 7106343
Affiliations:
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PMC:7106343Le document en format XML
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<p id="par0005">This pilot study examined the viral content of bioaerosols emitted by patients with laboratory-confirmed influenza.</p>
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<list-item id="lsti0010"><label>•</label>
<p id="par0010">Nine out of fifteen patients emitted variable amounts of viral RNA.</p>
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<list-item id="lsti0015"><label>•</label>
<p id="par0015">Patients with influenza may emit virus into the air which disperses >1 m and may reach the breathing zone of a healthcare worker.</p>
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<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
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<title-group><article-title>Influenza virus emitted by naturally-infected hosts in a healthcare setting</article-title>
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<contrib-group><contrib contrib-type="author" id="aut0005"><name><surname>Mubareka</surname>
<given-names>Samira</given-names>
</name>
<email>samira.mubareka@sunnybrook.ca</email>
<xref rid="aff0005" ref-type="aff">a</xref>
<xref rid="cor0005" ref-type="corresp">⁎</xref>
</contrib>
<contrib contrib-type="author" id="aut0010"><name><surname>Granados</surname>
<given-names>Andrea</given-names>
</name>
<email>andrea.granados@mail.utoronto.ca</email>
<xref rid="aff0010" ref-type="aff">b</xref>
</contrib>
<contrib contrib-type="author" id="aut0015"><name><surname>Naik</surname>
<given-names>Ushma</given-names>
</name>
<email>ushmanaik8@yahoo.com</email>
<xref rid="aff0015" ref-type="aff">c</xref>
</contrib>
<contrib contrib-type="author" id="aut0020"><name><surname>Darwish</surname>
<given-names>Ilyse</given-names>
</name>
<email>ilyse.darwish@utoronto.ca</email>
<xref rid="aff0015" ref-type="aff">c</xref>
</contrib>
<contrib contrib-type="author" id="aut0025"><name><surname>Cutts</surname>
<given-names>Todd A.</given-names>
</name>
<email>todd.cutts@phac-aspc.gc.ca</email>
<xref rid="aff0020" ref-type="aff">d</xref>
</contrib>
<contrib contrib-type="author" id="aut0030"><name><surname>Astrakianakis</surname>
<given-names>George</given-names>
</name>
<email>george.astrakianakis@ubc.ca</email>
<xref rid="aff0025" ref-type="aff">e</xref>
</contrib>
<contrib contrib-type="author" id="aut0035"><name><surname>Gubbay</surname>
<given-names>Jonathan B.</given-names>
</name>
<email>jonathan.gubbay@oahpp.ca</email>
<xref rid="aff0010" ref-type="aff">b</xref>
</contrib>
<contrib contrib-type="author" id="aut0040"><name><surname>Peci</surname>
<given-names>Adriana</given-names>
</name>
<email>adriana.peci@oahpp.ca</email>
<xref rid="aff0010" ref-type="aff">b</xref>
</contrib>
<contrib contrib-type="author" id="aut0045"><name><surname>Scott</surname>
<given-names>James A.</given-names>
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<email>james.scott@utoronto.ca</email>
<xref rid="aff0030" ref-type="aff">f</xref>
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</contrib-group>
<aff id="aff0005"><label>a</label>
Sunnybrook Research Institute, 2075 Bayview Avenue suite B103, Toronto, ON M4N 3M1, Canada</aff>
<aff id="aff0010"><label>b</label>
Public Health Ontario, 661 University Avenue, Suite 1701, Toronto, ON M5G 1M1, Canada</aff>
<aff id="aff0015"><label>c</label>
Sunnybrook Research Institute, 2075 Bayview Avenue, Toronto, ON M4N 3M1, Canada</aff>
<aff id="aff0020"><label>d</label>
National Microbiology Laboratory, Public Health Agency of Canada, 1015 Arlington Street, Winnipeg, MB R3E 3R2, Canada</aff>
<aff id="aff0025"><label>e</label>
School of Population and Public Health, University of British Columbia, Rm 366C 2206 East Mall, Vancouver, BC V6T 1Z3, Canada</aff>
<aff id="aff0030"><label>f</label>
Division of Occupational and Environmental Health, Dalla Lana School of Public Health, University of Toronto, 223 College Street, Toronto, ON M5T 1R4, Canada</aff>
<author-notes><corresp id="cor0005"><label>⁎</label>
Corresponding author. Sunnybrook Health Sciences Centre & Sunnybrook Research Institute, 2075 Bayview Avenue suite B103, Toronto, ON, M4N 3M1, Canada. Fax: +1 416 480 6990. <email>samira.mubareka@sunnybrook.ca</email>
</corresp>
</author-notes>
<pub-date pub-type="pmc-release"><day>4</day>
<month>11</month>
<year>2015</year>
</pub-date>
<pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="ppub"><month>12</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub"><day>4</day>
<month>11</month>
<year>2015</year>
</pub-date>
<volume>73</volume>
<fpage>105</fpage>
<lpage>107</lpage>
<history><date date-type="received"><day>12</day>
<month>8</month>
<year>2015</year>
</date>
<date date-type="rev-recd"><day>30</day>
<month>10</month>
<year>2015</year>
</date>
<date date-type="accepted"><day>1</day>
<month>11</month>
<year>2015</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2015 Elsevier B.V. All rights reserved.</copyright-statement>
<copyright-year>2015</copyright-year>
<copyright-holder>Elsevier B.V.</copyright-holder>
<license><license-p>Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.</license-p>
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<abstract abstract-type="author-highlights" id="abs0005"><title>Highlights</title>
<p><list list-type="simple" id="lis0005"><list-item id="lsti0005"><label>•</label>
<p id="par0005">This pilot study examined the viral content of bioaerosols emitted by patients with laboratory-confirmed influenza.</p>
</list-item>
<list-item id="lsti0010"><label>•</label>
<p id="par0010">Nine out of fifteen patients emitted variable amounts of viral RNA.</p>
</list-item>
<list-item id="lsti0015"><label>•</label>
<p id="par0015">Patients with influenza may emit virus into the air which disperses >1 m and may reach the breathing zone of a healthcare worker.</p>
</list-item>
</list>
</p>
</abstract>
<abstract id="abs0010"><sec><title>Background</title>
<p>The emergence of novel respiratory viruses such as avian influenza A(H7N9) virus and the Middle East Respiratory Syndrome Coronavirus (MERS-CoV) highlights the importance of understanding determinants of transmission to healthcare workers (HCWs) and the public.</p>
</sec>
<sec><title>Objectives</title>
<p>We aim to determine the viral content of the air emitted by symptomatic inpatients or long-term care residents with laboratory-confirmed influenza virus infection (emitters), and in the breathing zones of healthcare workers who attend to them.</p>
</sec>
<sec><title>Design</title>
<p>A prospective pilot study of patients with laboratory-confirmed influenza virus infection was undertaken. Air within 1 m of the patient was sampled using a high volume air sampler. In addition, a lower volume air sampler was placed <1 m from the patient, with another >1 m from the patient. Viral RNA was recovered from the samplers and submitted for quantitative real time PCR. In addition, personal button samplers were provided to HCWs.</p>
</sec>
<sec><title>Results</title>
<p>The air emitted by 15 participants with laboratory-confirmed influenza virus infection was sampled. Of the patients infected with influenza A, viral RNA was recovered from the air emitted by 9/12 patients using the low-volume sampler; no viral RNA was detected from air emitted by patients with influenza B (<italic>n</italic>
= 3). Influenza virus RNA was recovered from one HCW’s sampler.</p>
</sec>
<sec><title>Conclusions</title>
<p>Patients with respiratory virus infection emit virus into the air which disperses to >1 m and may reach the breathing zone of a HCW. This pilot study highlights the feasibility and importance of conducting a larger-scale study to identify determinants of exposure and transmission from patient to HCW.</p>
</sec>
</abstract>
<kwd-group id="kwd0005"><title>Keywords</title>
<kwd>Influenza virus</kwd>
<kwd>Bioaerosol</kwd>
<kwd>Healthcare</kwd>
<kwd>Transmission</kwd>
<kwd>Exposure</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>Canada</li>
</country>
<region><li>Ontario</li>
</region>
<settlement><li>Toronto</li>
</settlement>
<orgName><li>Université de Toronto</li>
</orgName>
</list>
<tree><country name="Canada"><noRegion><name sortKey="Mubareka, Samira" sort="Mubareka, Samira" uniqKey="Mubareka S" first="Samira" last="Mubareka">Samira Mubareka</name>
</noRegion>
<name sortKey="Astrakianakis, George" sort="Astrakianakis, George" uniqKey="Astrakianakis G" first="George" last="Astrakianakis">George Astrakianakis</name>
<name sortKey="Cutts, Todd A" sort="Cutts, Todd A" uniqKey="Cutts T" first="Todd A." last="Cutts">Todd A. Cutts</name>
<name sortKey="Darwish, Ilyse" sort="Darwish, Ilyse" uniqKey="Darwish I" first="Ilyse" last="Darwish">Ilyse Darwish</name>
<name sortKey="Granados, Andrea" sort="Granados, Andrea" uniqKey="Granados A" first="Andrea" last="Granados">Andrea Granados</name>
<name sortKey="Gubbay, Jonathan B" sort="Gubbay, Jonathan B" uniqKey="Gubbay J" first="Jonathan B." last="Gubbay">Jonathan B. Gubbay</name>
<name sortKey="Naik, Ushma" sort="Naik, Ushma" uniqKey="Naik U" first="Ushma" last="Naik">Ushma Naik</name>
<name sortKey="Peci, Adriana" sort="Peci, Adriana" uniqKey="Peci A" first="Adriana" last="Peci">Adriana Peci</name>
<name sortKey="Scott, James A" sort="Scott, James A" uniqKey="Scott J" first="James A." last="Scott">James A. Scott</name>
</country>
</tree>
</affiliations>
</record>
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