Le SIDA au Ghana (serveur d'exploration)

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A cross-sectional study of 'yaws' in districts of Ghana which have previously undertaken azithromycin mass drug administration for trachoma control.

Identifieur interne : 000274 ( PubMed/Checkpoint ); précédent : 000273; suivant : 000275

A cross-sectional study of 'yaws' in districts of Ghana which have previously undertaken azithromycin mass drug administration for trachoma control.

Auteurs : Rosanna Ghinai [Royaume-Uni] ; Philip El-Duah [Ghana] ; Kai-Hua Chi [États-Unis] ; Allan Pillay [États-Unis] ; Anthony W. Solomon [Royaume-Uni] ; Robin L. Bailey [Royaume-Uni] ; Nsiire Agana [Ghana] ; David C W. Mabey [Royaume-Uni] ; Cheng-Yen Chen [États-Unis] ; Yaw Adu-Sarkodie [Ghana] ; Michael Marks [Royaume-Uni]

Source :

RBID : pubmed:25632942

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English descriptors

Abstract

Yaws, caused by Treponema pallidum ssp. pertenue, is reportedly endemic in Ghana. Mass distribution of azithromycin is now the cornerstone of the WHO yaws eradication campaign. Mass distribution of azithromycin at a lower target dose was previously undertaken in two regions of Ghana for the control of trachoma. Ongoing reporting of yaws raises the possibility that resistance may have emerged in T. pallidum pertenue, or that alternative infections may be responsible for some of the reported cases. We conducted a cross-sectional survey in thirty communities in two districts of Ghana where MDA for trachoma had previously been conducted. Children aged 5-17 years with ulcerative lesions compatible with yaws were enrolled. Samples for treponemal serology and lesion PCR were collected from all children. 90 children with 98 lesions were enrolled. Syphilis serology was negative in all of them. PCR for T. pallidum ssp pertenue was negative in all children, but Haemophilus ducreyi DNA was detected in 9 lesions. In these communities, previously treated for trachoma, we found no evidence of ongoing transmission of yaws. H. ducreyi was associated with a proportion of skin lesions, but the majority of lesions remain unexplained. Integration of diagnostic testing into both pre and post-MDA surveillance systems is required to better inform yaws control programmes.

DOI: 10.1371/journal.pntd.0003496
PubMed: 25632942


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<div type="abstract" xml:lang="en">Yaws, caused by Treponema pallidum ssp. pertenue, is reportedly endemic in Ghana. Mass distribution of azithromycin is now the cornerstone of the WHO yaws eradication campaign. Mass distribution of azithromycin at a lower target dose was previously undertaken in two regions of Ghana for the control of trachoma. Ongoing reporting of yaws raises the possibility that resistance may have emerged in T. pallidum pertenue, or that alternative infections may be responsible for some of the reported cases. We conducted a cross-sectional survey in thirty communities in two districts of Ghana where MDA for trachoma had previously been conducted. Children aged 5-17 years with ulcerative lesions compatible with yaws were enrolled. Samples for treponemal serology and lesion PCR were collected from all children. 90 children with 98 lesions were enrolled. Syphilis serology was negative in all of them. PCR for T. pallidum ssp pertenue was negative in all children, but Haemophilus ducreyi DNA was detected in 9 lesions. In these communities, previously treated for trachoma, we found no evidence of ongoing transmission of yaws. H. ducreyi was associated with a proportion of skin lesions, but the majority of lesions remain unexplained. Integration of diagnostic testing into both pre and post-MDA surveillance systems is required to better inform yaws control programmes.</div>
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<Abstract>
<AbstractText>Yaws, caused by Treponema pallidum ssp. pertenue, is reportedly endemic in Ghana. Mass distribution of azithromycin is now the cornerstone of the WHO yaws eradication campaign. Mass distribution of azithromycin at a lower target dose was previously undertaken in two regions of Ghana for the control of trachoma. Ongoing reporting of yaws raises the possibility that resistance may have emerged in T. pallidum pertenue, or that alternative infections may be responsible for some of the reported cases. We conducted a cross-sectional survey in thirty communities in two districts of Ghana where MDA for trachoma had previously been conducted. Children aged 5-17 years with ulcerative lesions compatible with yaws were enrolled. Samples for treponemal serology and lesion PCR were collected from all children. 90 children with 98 lesions were enrolled. Syphilis serology was negative in all of them. PCR for T. pallidum ssp pertenue was negative in all children, but Haemophilus ducreyi DNA was detected in 9 lesions. In these communities, previously treated for trachoma, we found no evidence of ongoing transmission of yaws. H. ducreyi was associated with a proportion of skin lesions, but the majority of lesions remain unexplained. Integration of diagnostic testing into both pre and post-MDA surveillance systems is required to better inform yaws control programmes.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Ghinai</LastName>
<ForeName>Rosanna</ForeName>
<Initials>R</Initials>
<AffiliationInfo>
<Affiliation>Clinical Research Department, London School of Hygiene and Tropical Medicine, London, United Kingdom.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>El-Duah</LastName>
<ForeName>Philip</ForeName>
<Initials>P</Initials>
<AffiliationInfo>
<Affiliation>Department of Clinical Microbiology, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Chi</LastName>
<ForeName>Kai-Hua</ForeName>
<Initials>KH</Initials>
<AffiliationInfo>
<Affiliation>Laboratory Reference and Research Branch, Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD and Tuberculosis Prevention Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Pillay</LastName>
<ForeName>Allan</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Laboratory Reference and Research Branch, Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD and Tuberculosis Prevention Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Solomon</LastName>
<ForeName>Anthony W</ForeName>
<Initials>AW</Initials>
<AffiliationInfo>
<Affiliation>Clinical Research Department, London School of Hygiene and Tropical Medicine, London, United Kingdom; Hospital for Tropical Diseases, University College London Hospitals NHS Trust, London, United Kingdom.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Bailey</LastName>
<ForeName>Robin L</ForeName>
<Initials>RL</Initials>
<AffiliationInfo>
<Affiliation>Clinical Research Department, London School of Hygiene and Tropical Medicine, London, United Kingdom; Hospital for Tropical Diseases, University College London Hospitals NHS Trust, London, United Kingdom.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Agana</LastName>
<ForeName>Nsiire</ForeName>
<Initials>N</Initials>
<AffiliationInfo>
<Affiliation>Public Health Division, Ghana Health Service, Accra, Ghana.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Mabey</LastName>
<ForeName>David C W</ForeName>
<Initials>DC</Initials>
<AffiliationInfo>
<Affiliation>Clinical Research Department, London School of Hygiene and Tropical Medicine, London, United Kingdom; Hospital for Tropical Diseases, University College London Hospitals NHS Trust, London, United Kingdom.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Chen</LastName>
<ForeName>Cheng-Yen</ForeName>
<Initials>CY</Initials>
<AffiliationInfo>
<Affiliation>Laboratory Reference and Research Branch, Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD and Tuberculosis Prevention Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Adu-Sarkodie</LastName>
<ForeName>Yaw</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>Department of Clinical Microbiology, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Marks</LastName>
<ForeName>Michael</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Clinical Research Department, London School of Hygiene and Tropical Medicine, London, United Kingdom; Hospital for Tropical Diseases, University College London Hospitals NHS Trust, London, United Kingdom.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<GrantList CompleteYN="Y">
<Grant>
<GrantID>WT100714</GrantID>
<Agency>Wellcome Trust</Agency>
<Country>United Kingdom</Country>
</Grant>
<Grant>
<GrantID>WT102807</GrantID>
<Agency>Wellcome Trust</Agency>
<Country>United Kingdom</Country>
</Grant>
<Grant>
<GrantID>098521</GrantID>
<Agency>Wellcome Trust</Agency>
<Country>United Kingdom</Country>
</Grant>
</GrantList>
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<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
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<ArticleDate DateType="Electronic">
<Year>2015</Year>
<Month>01</Month>
<Day>29</Day>
</ArticleDate>
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<Country>United States</Country>
<MedlineTA>PLoS Negl Trop Dis</MedlineTA>
<NlmUniqueID>101291488</NlmUniqueID>
<ISSNLinking>1935-2727</ISSNLinking>
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<Chemical>
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<NameOfSubstance UI="D017963">Azithromycin</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
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</CommentsCorrectionsList>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000900" MajorTopicYN="N">Anti-Bacterial Agents</DescriptorName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D017963" MajorTopicYN="N">Azithromycin</DescriptorName>
<QualifierName UI="Q000627" MajorTopicYN="Y">therapeutic use</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002648" MajorTopicYN="N">Child</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002675" MajorTopicYN="N">Child, Preschool</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D003430" MajorTopicYN="N">Cross-Sectional Studies</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005869" MajorTopicYN="N" Type="Geographic">Ghana</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014141" MajorTopicYN="N">Trachoma</DescriptorName>
<QualifierName UI="Q000517" MajorTopicYN="Y">prevention & control</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D015001" MajorTopicYN="N">Yaws</DescriptorName>
<QualifierName UI="Q000517" MajorTopicYN="Y">prevention & control</QualifierName>
</MeshHeading>
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<Month>10</Month>
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<Year>2014</Year>
<Month>12</Month>
<Day>23</Day>
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<ArticleId IdType="pubmed">25632942</ArticleId>
<ArticleId IdType="doi">10.1371/journal.pntd.0003496</ArticleId>
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<list>
<country>
<li>Ghana</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region>
<li>Angleterre</li>
<li>Grand Londres</li>
<li>Géorgie (États-Unis)</li>
<li>Région du Grand Accra</li>
</region>
<settlement>
<li>Accra</li>
<li>Londres</li>
</settlement>
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<region name="Angleterre">
<name sortKey="Ghinai, Rosanna" sort="Ghinai, Rosanna" uniqKey="Ghinai R" first="Rosanna" last="Ghinai">Rosanna Ghinai</name>
</region>
<name sortKey="Bailey, Robin L" sort="Bailey, Robin L" uniqKey="Bailey R" first="Robin L" last="Bailey">Robin L. Bailey</name>
<name sortKey="Mabey, David C W" sort="Mabey, David C W" uniqKey="Mabey D" first="David C W" last="Mabey">David C W. Mabey</name>
<name sortKey="Marks, Michael" sort="Marks, Michael" uniqKey="Marks M" first="Michael" last="Marks">Michael Marks</name>
<name sortKey="Solomon, Anthony W" sort="Solomon, Anthony W" uniqKey="Solomon A" first="Anthony W" last="Solomon">Anthony W. Solomon</name>
</country>
<country name="Ghana">
<noRegion>
<name sortKey="El Duah, Philip" sort="El Duah, Philip" uniqKey="El Duah P" first="Philip" last="El-Duah">Philip El-Duah</name>
</noRegion>
<name sortKey="Adu Sarkodie, Yaw" sort="Adu Sarkodie, Yaw" uniqKey="Adu Sarkodie Y" first="Yaw" last="Adu-Sarkodie">Yaw Adu-Sarkodie</name>
<name sortKey="Agana, Nsiire" sort="Agana, Nsiire" uniqKey="Agana N" first="Nsiire" last="Agana">Nsiire Agana</name>
</country>
<country name="États-Unis">
<region name="Géorgie (États-Unis)">
<name sortKey="Chi, Kai Hua" sort="Chi, Kai Hua" uniqKey="Chi K" first="Kai-Hua" last="Chi">Kai-Hua Chi</name>
</region>
<name sortKey="Chen, Cheng Yen" sort="Chen, Cheng Yen" uniqKey="Chen C" first="Cheng-Yen" last="Chen">Cheng-Yen Chen</name>
<name sortKey="Pillay, Allan" sort="Pillay, Allan" uniqKey="Pillay A" first="Allan" last="Pillay">Allan Pillay</name>
</country>
</tree>
</affiliations>
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