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Infectivity of symptomatic and asymptomatic Plasmodium vivax infections to a Southeast Asian vector, Anopheles dirus.

Identifieur interne : 000989 ( PubMed/Checkpoint ); précédent : 000988; suivant : 000990

Infectivity of symptomatic and asymptomatic Plasmodium vivax infections to a Southeast Asian vector, Anopheles dirus.

Auteurs : Kirakorn Kiattibutr [Thaïlande] ; Wanlapa Roobsoong [Thaïlande] ; Patchara Sriwichai [Thaïlande] ; Teerawat Saeseu [Thaïlande] ; Nattawan Rachaphaew [Thaïlande] ; Chayanut Suansomjit [Thaïlande] ; Sureemas Buates [Thaïlande] ; Thomas Obadia [France] ; Ivo Mueller [Australie] ; Liwang Cui [États-Unis] ; Wang Nguitragool [Thaïlande] ; Jetsumon Sattabongkot [Thaïlande]

Source :

RBID : pubmed:28043858

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English descriptors

Abstract

Plasmodium vivax is now the predominant species causing malarial infection and disease in most non-African areas, but little is known about its transmission efficiency from human to mosquitoes. Because the majority of Plasmodium infections in endemic areas are low density and asymptomatic, it is important to evaluate how well these infections transmit. Using membrane feeding apparatus, Anopheles dirus were fed with blood samples from 94 individuals who had natural P. vivax infections with parasitemias spanning four orders of magnitude. We found that the mosquito infection rate was positively correlated with blood parasitemia and that infection began to rise when parasitemia was >10parasites/μl. Below this threshold, mosquito infection is rare and associated with very few oocysts. These findings provide useful information for assessing the human reservoir of transmission and for establishing diagnostic sensitivity required to identify individuals who are most infective to mosquitoes.

DOI: 10.1016/j.ijpara.2016.10.006
PubMed: 28043858


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pubmed:28043858

Le document en format XML

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<Affiliation>Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.</Affiliation>
</AffiliationInfo>
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<ForeName>Wanlapa</ForeName>
<Initials>W</Initials>
<AffiliationInfo>
<Affiliation>Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Sriwichai</LastName>
<ForeName>Patchara</ForeName>
<Initials>P</Initials>
<AffiliationInfo>
<Affiliation>Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Saeseu</LastName>
<ForeName>Teerawat</ForeName>
<Initials>T</Initials>
<AffiliationInfo>
<Affiliation>Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.</Affiliation>
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</Author>
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<LastName>Rachaphaew</LastName>
<ForeName>Nattawan</ForeName>
<Initials>N</Initials>
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<Affiliation>Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.</Affiliation>
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</Author>
<Author ValidYN="Y">
<LastName>Suansomjit</LastName>
<ForeName>Chayanut</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Buates</LastName>
<ForeName>Sureemas</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Obadia</LastName>
<ForeName>Thomas</ForeName>
<Initials>T</Initials>
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<Affiliation>Malaria: Parasites & Hosts Unit, Department of Parasites & Insect Vectors, Institut Pasteur, Paris, France; Bioinformatics and Biostatistics Hub, Institut Pasteur, Paris, France.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Mueller</LastName>
<ForeName>Ivo</ForeName>
<Initials>I</Initials>
<AffiliationInfo>
<Affiliation>Malaria: Parasites & Hosts Unit, Department of Parasites & Insect Vectors, Institut Pasteur, Paris, France; Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia.</Affiliation>
</AffiliationInfo>
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<ForeName>Liwang</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>Department of Entomology, Pennsylvania State University, University Park, PA, USA.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Nguitragool</LastName>
<ForeName>Wang</ForeName>
<Initials>W</Initials>
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<Affiliation>Department of Molecular Tropical Medicine & Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand. Electronic address: wang.ngu@mahidol.edu.</Affiliation>
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<Initials>J</Initials>
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<GrantID>U19 AI089672</GrantID>
<Acronym>AI</Acronym>
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<Country>United States</Country>
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<Month>12</Month>
<Day>30</Day>
</ArticleDate>
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<Country>England</Country>
<MedlineTA>Int J Parasitol</MedlineTA>
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<ISSNLinking>0020-7519</ISSNLinking>
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<DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName>
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<DescriptorName UI="D000852" MajorTopicYN="N">Anopheles</DescriptorName>
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</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016778" MajorTopicYN="N">Malaria, Falciparum</DescriptorName>
<QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName>
<QualifierName UI="Q000635" MajorTopicYN="N">transmission</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016780" MajorTopicYN="N">Malaria, Vivax</DescriptorName>
<QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName>
<QualifierName UI="Q000635" MajorTopicYN="Y">transmission</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000072138" MajorTopicYN="N">Mosquito Vectors</DescriptorName>
<QualifierName UI="Q000469" MajorTopicYN="Y">parasitology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010966" MajorTopicYN="N">Plasmodium vivax</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Anopheles dirus</Keyword>
<Keyword MajorTopicYN="N">Infectivity</Keyword>
<Keyword MajorTopicYN="N">Malaria</Keyword>
<Keyword MajorTopicYN="N">Membrane feeding assay</Keyword>
<Keyword MajorTopicYN="N">Plasmodium vivax</Keyword>
<Keyword MajorTopicYN="N">Transmission</Keyword>
</KeywordList>
</MedlineCitation>
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<Year>2016</Year>
<Month>06</Month>
<Day>25</Day>
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<PubMedPubDate PubStatus="revised">
<Year>2016</Year>
<Month>10</Month>
<Day>06</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2016</Year>
<Month>10</Month>
<Day>12</Day>
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<PubMedPubDate PubStatus="pubmed">
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<Month>1</Month>
<Day>4</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2017</Year>
<Month>5</Month>
<Day>13</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2017</Year>
<Month>1</Month>
<Day>4</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
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<ArticleId IdType="pii">S0020-7519(16)30274-0</ArticleId>
<ArticleId IdType="doi">10.1016/j.ijpara.2016.10.006</ArticleId>
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</PubmedData>
</pubmed>
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<list>
<country>
<li>Australie</li>
<li>France</li>
<li>Thaïlande</li>
<li>États-Unis</li>
</country>
<region>
<li>Pennsylvanie</li>
<li>Victoria (État)</li>
<li>Île-de-France</li>
</region>
<settlement>
<li>Melbourne</li>
<li>Paris</li>
<li>University Park (Pennsylvanie)</li>
</settlement>
<orgName>
<li>Université d'État de Pennsylvanie</li>
</orgName>
</list>
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<name sortKey="Kiattibutr, Kirakorn" sort="Kiattibutr, Kirakorn" uniqKey="Kiattibutr K" first="Kirakorn" last="Kiattibutr">Kirakorn Kiattibutr</name>
</noRegion>
<name sortKey="Buates, Sureemas" sort="Buates, Sureemas" uniqKey="Buates S" first="Sureemas" last="Buates">Sureemas Buates</name>
<name sortKey="Nguitragool, Wang" sort="Nguitragool, Wang" uniqKey="Nguitragool W" first="Wang" last="Nguitragool">Wang Nguitragool</name>
<name sortKey="Rachaphaew, Nattawan" sort="Rachaphaew, Nattawan" uniqKey="Rachaphaew N" first="Nattawan" last="Rachaphaew">Nattawan Rachaphaew</name>
<name sortKey="Roobsoong, Wanlapa" sort="Roobsoong, Wanlapa" uniqKey="Roobsoong W" first="Wanlapa" last="Roobsoong">Wanlapa Roobsoong</name>
<name sortKey="Saeseu, Teerawat" sort="Saeseu, Teerawat" uniqKey="Saeseu T" first="Teerawat" last="Saeseu">Teerawat Saeseu</name>
<name sortKey="Sattabongkot, Jetsumon" sort="Sattabongkot, Jetsumon" uniqKey="Sattabongkot J" first="Jetsumon" last="Sattabongkot">Jetsumon Sattabongkot</name>
<name sortKey="Sriwichai, Patchara" sort="Sriwichai, Patchara" uniqKey="Sriwichai P" first="Patchara" last="Sriwichai">Patchara Sriwichai</name>
<name sortKey="Suansomjit, Chayanut" sort="Suansomjit, Chayanut" uniqKey="Suansomjit C" first="Chayanut" last="Suansomjit">Chayanut Suansomjit</name>
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<country name="France">
<region name="Île-de-France">
<name sortKey="Obadia, Thomas" sort="Obadia, Thomas" uniqKey="Obadia T" first="Thomas" last="Obadia">Thomas Obadia</name>
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<country name="Australie">
<region name="Victoria (État)">
<name sortKey="Mueller, Ivo" sort="Mueller, Ivo" uniqKey="Mueller I" first="Ivo" last="Mueller">Ivo Mueller</name>
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<region name="Pennsylvanie">
<name sortKey="Cui, Liwang" sort="Cui, Liwang" uniqKey="Cui L" first="Liwang" last="Cui">Liwang Cui</name>
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