Incidence and seroprevalence of dengue virus infections in Australian travellers to Asia
Identifieur interne : 005B46 ( Main/Exploration ); précédent : 005B45; suivant : 005B47Incidence and seroprevalence of dengue virus infections in Australian travellers to Asia
Auteurs : I. Ratnam [Australie] ; J. Black [Australie] ; K. Leder [Australie] ; B.-A. Biggs [Australie] ; E. Matchett [Australie] ; A. Padiglione [Australie] ; I. Woolley [Australie] ; T. Panagiotidis [Australie] ; T. Gherardin [Australie] ; L. Pollissard [France] ; C. Demont [France] ; C. Luxemburger [France] ; J. Torresi [Australie]Source :
- European journal of clinical microbiology & infectious diseases : (Print) [ 0934-9723 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Wicri :
- geographic : Australie.
English descriptors
- KwdEn :
Abstract
The purpose of this study was to estimate the incidence density and prevalence of dengue virus infection in Australian travellers to Asia. We conducted a multi-centre prospective cohort study of Australian travellers over a 32-month period. We recruited 467 travellers (≥16 years of age) from three travel clinics who intended to travel Asia, and 387 (82.9%) of those travellers completed questionnaires and provide samples pre- and post-travel for serological testing for dengue virus infection. Demographic data, destination countries and history of vaccinations and flavivirus infections were obtained. Serological testing for dengue IgG and IgM by enzyme-linked immunosorbent assay (ELISA) (PanBio assay) was performed. Acute seroconversion for dengue infection was demonstrated in 1.0% of travellers, representing an incidence of 3.4 infections per 10,000 days of travel (95% confidence interval [CI]: 0.9-8.7). The seroprevalence of dengue infection was 4.4% and a greater number of prior trips to Asia was a predictor for dengue seroprevalence (p=0.019). All travellers experienced subclinical dengue infections and had travelled to India (n=3) and China (n=1). This significant attack rate of dengue infection can be used to advise prospective travellers to dengue-endemic countries.
Affiliations:
- Australie, France
- Auvergne-Rhône-Alpes, Rhône-Alpes, Victoria (État)
- Lyon, Melbourne
- Université de Melbourne
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Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Incidence and seroprevalence of dengue virus infections in Australian travellers to Asia</title>
<author><name sortKey="Ratnam, I" sort="Ratnam, I" uniqKey="Ratnam I" first="I." last="Ratnam">I. Ratnam</name>
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<author><name sortKey="Demont, C" sort="Demont, C" uniqKey="Demont C" first="C." last="Demont">C. Demont</name>
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</placeName>
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</author>
<author><name sortKey="Luxemburger, C" sort="Luxemburger, C" uniqKey="Luxemburger C" first="C." last="Luxemburger">C. Luxemburger</name>
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<s3>AUS</s3>
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<wicri:noRegion>The Austin Hospital</wicri:noRegion>
</affiliation>
<affiliation wicri:level="4"><inist:fA14 i1="09"><s1>The University of Melbourne</s1>
<s2>Parkville, VIC</s2>
<s3>AUS</s3>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Australie</country>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
<orgName type="university">Université de Melbourne</orgName>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">European journal of clinical microbiology & infectious diseases : (Print)</title>
<title level="j" type="abbreviated">Eur. j. clin. microbiol. infect. dis. : (Print)</title>
<idno type="ISSN">0934-9723</idno>
<imprint><date when="2012">2012</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">European journal of clinical microbiology & infectious diseases : (Print)</title>
<title level="j" type="abbreviated">Eur. j. clin. microbiol. infect. dis. : (Print)</title>
<idno type="ISSN">0934-9723</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Asia</term>
<term>Australia</term>
<term>Dengue</term>
<term>Incidence</term>
<term>Microbiology</term>
<term>Prevalence</term>
<term>Serology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Dengue</term>
<term>Sérologie</term>
<term>Incidence</term>
<term>Prévalence</term>
<term>Australie</term>
<term>Asie</term>
<term>Microbiologie</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Australie</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The purpose of this study was to estimate the incidence density and prevalence of dengue virus infection in Australian travellers to Asia. We conducted a multi-centre prospective cohort study of Australian travellers over a 32-month period. We recruited 467 travellers (≥16 years of age) from three travel clinics who intended to travel Asia, and 387 (82.9%) of those travellers completed questionnaires and provide samples pre- and post-travel for serological testing for dengue virus infection. Demographic data, destination countries and history of vaccinations and flavivirus infections were obtained. Serological testing for dengue IgG and IgM by enzyme-linked immunosorbent assay (ELISA) (PanBio assay) was performed. Acute seroconversion for dengue infection was demonstrated in 1.0% of travellers, representing an incidence of 3.4 infections per 10,000 days of travel (95% confidence interval [CI]: 0.9-8.7). The seroprevalence of dengue infection was 4.4% and a greater number of prior trips to Asia was a predictor for dengue seroprevalence (p=0.019). All travellers experienced subclinical dengue infections and had travelled to India (n=3) and China (n=1). This significant attack rate of dengue infection can be used to advise prospective travellers to dengue-endemic countries.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
</country>
<region><li>Auvergne-Rhône-Alpes</li>
<li>Rhône-Alpes</li>
<li>Victoria (État)</li>
</region>
<settlement><li>Lyon</li>
<li>Melbourne</li>
</settlement>
<orgName><li>Université de Melbourne</li>
</orgName>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Ratnam, I" sort="Ratnam, I" uniqKey="Ratnam I" first="I." last="Ratnam">I. Ratnam</name>
</noRegion>
<name sortKey="Biggs, B A" sort="Biggs, B A" uniqKey="Biggs B" first="B.-A." last="Biggs">B.-A. Biggs</name>
<name sortKey="Biggs, B A" sort="Biggs, B A" uniqKey="Biggs B" first="B.-A." last="Biggs">B.-A. Biggs</name>
<name sortKey="Black, J" sort="Black, J" uniqKey="Black J" first="J." last="Black">J. Black</name>
<name sortKey="Gherardin, T" sort="Gherardin, T" uniqKey="Gherardin T" first="T." last="Gherardin">T. Gherardin</name>
<name sortKey="Leder, K" sort="Leder, K" uniqKey="Leder K" first="K." last="Leder">K. Leder</name>
<name sortKey="Leder, K" sort="Leder, K" uniqKey="Leder K" first="K." last="Leder">K. Leder</name>
<name sortKey="Matchett, E" sort="Matchett, E" uniqKey="Matchett E" first="E." last="Matchett">E. Matchett</name>
<name sortKey="Padiglione, A" sort="Padiglione, A" uniqKey="Padiglione A" first="A." last="Padiglione">A. Padiglione</name>
<name sortKey="Padiglione, A" sort="Padiglione, A" uniqKey="Padiglione A" first="A." last="Padiglione">A. Padiglione</name>
<name sortKey="Panagiotidis, T" sort="Panagiotidis, T" uniqKey="Panagiotidis T" first="T." last="Panagiotidis">T. Panagiotidis</name>
<name sortKey="Ratnam, I" sort="Ratnam, I" uniqKey="Ratnam I" first="I." last="Ratnam">I. Ratnam</name>
<name sortKey="Torresi, J" sort="Torresi, J" uniqKey="Torresi J" first="J." last="Torresi">J. Torresi</name>
<name sortKey="Torresi, J" sort="Torresi, J" uniqKey="Torresi J" first="J." last="Torresi">J. Torresi</name>
<name sortKey="Woolley, I" sort="Woolley, I" uniqKey="Woolley I" first="I." last="Woolley">I. Woolley</name>
</country>
<country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Pollissard, L" sort="Pollissard, L" uniqKey="Pollissard L" first="L." last="Pollissard">L. Pollissard</name>
</region>
<name sortKey="Demont, C" sort="Demont, C" uniqKey="Demont C" first="C." last="Demont">C. Demont</name>
<name sortKey="Luxemburger, C" sort="Luxemburger, C" uniqKey="Luxemburger C" first="C." last="Luxemburger">C. Luxemburger</name>
</country>
</tree>
</affiliations>
</record>
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