LymphedemaV1, Pmc, Checkpoint, bibRecord, 003A62

The geographical distribution of lymphatic filariasis infection in Malawi

Identifieur interne : 003A62 ( Pmc/Checkpoint ); précédent : 003A61; suivant : 003A63

The geographical distribution of lymphatic filariasis infection in Malawi

Auteurs : Bagrey Mm Ngwira [Royaume-Uni, Malawi] ; Phillimon Tambala [Malawi] ; A Maria Perez [Malawi] ; Cameron Bowie [Malawi] ; David H. Molyneux [Royaume-Uni]

Source :

Filaria Journal [ 1475-2883 ] ; 2007.

RBID : PMC:2233609

Abstract

Mapping distribution of lymphatic filariasis (LF) is a prerequisite for planning national elimination programmes. Results from a nation wide mapping survey for lymphatic filariasis (LF) in Malawi are presented. Thirty-five villages were sampled from 23 districts excluding three districts (Karonga, Chikwawa and Nsanje) that had already been mapped and Likoma, an Island, where access was not possible in the time frame of the survey. Antigenaemia prevalence [based on immunochromatographic card tests (ICT)] ranged from 0% to 35.9%. Villages from the western side of the country and distant from the lake tended to be of lower prevalence. The exception was a village in Mchinji district on the Malawi-Zambia border where a prevalence of 18.2% was found. In contrast villages from lake shore districts [Salima, Mangochi, Balaka and Ntcheu (Bwanje valley)] and Phalombe had prevalences of over 20%.

A national map is developed which incorporates data from surveys in Karonga, Chikwawa and Nsanje districts, carried out in 2000. There is a marked decline in prevalence with increasing altitude. Further analysis revealed a strong negative correlation (R²= 0.7 p < 0.001) between altitude and prevalence. These results suggest that the lake shore, Phalombe plain and the lower Shire valley will be priority areas for the Malawi LF elimination programme. Implications of these findings as regards implementing a national LF elimination programme in Malawi are discussed.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2233609

DOI: 10.1186/1475-2883-6-12
PubMed: 18047646
PubMed Central: 2233609

Affiliations:

Malawi, Royaume-Uni

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PMC:2233609

Le document en format XML

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<front><div type="abstract" xml:lang="en"><p>Mapping distribution of lymphatic filariasis (LF) is a prerequisite for planning national elimination programmes. Results from a nation wide mapping survey for lymphatic filariasis (LF) in Malawi are presented. Thirty-five villages were sampled from 23 districts excluding three districts (Karonga, Chikwawa and Nsanje) that had already been mapped and Likoma, an Island, where access was not possible in the time frame of the survey. Antigenaemia prevalence [based on immunochromatographic card tests (ICT)] ranged from 0% to 35.9%. Villages from the western side of the country and distant from the lake tended to be of lower prevalence. The exception was a village in Mchinji district on the Malawi-Zambia border where a prevalence of 18.2% was found. In contrast villages from lake shore districts [Salima, Mangochi, Balaka and Ntcheu (Bwanje valley)] and Phalombe had prevalences of over 20%.</p>
<p>A national map is developed which incorporates data from surveys in Karonga, Chikwawa and Nsanje districts, carried out in 2000. There is a marked decline in prevalence with increasing altitude. Further analysis revealed a strong negative correlation (R<sup>2 </sup>
= 0.7 p < 0.001) between altitude and prevalence. These results suggest that the lake shore, Phalombe plain and the lower Shire valley will be priority areas for the Malawi LF elimination programme. Implications of these findings as regards implementing a national LF elimination programme in Malawi are discussed.</p>
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  <front><journal-meta><journal-id journal-id-type="nlm-ta">Filaria J</journal-id>
<journal-title>Filaria Journal</journal-title>
<issn pub-type="epub">1475-2883</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
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<article-meta><article-id pub-id-type="pmid">18047646</article-id>
<article-id pub-id-type="pmc">2233609</article-id>
<article-id pub-id-type="publisher-id">1475-2883-6-12</article-id>
<article-id pub-id-type="doi">10.1186/1475-2883-6-12</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research</subject>
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<title-group><article-title>The geographical distribution of lymphatic filariasis infection in Malawi</article-title>
</title-group>
<contrib-group><contrib id="A1" corresp="yes" contrib-type="author"><name><surname>Ngwira</surname>
<given-names>Bagrey MM</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<xref ref-type="aff" rid="I2">2</xref>
<email>bngwira@africa-online.net</email>
</contrib>
<contrib id="A2" contrib-type="author"><name><surname>Tambala</surname>
<given-names>Phillimon</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<email>ief@malawi.net</email>
</contrib>
<contrib id="A3" contrib-type="author"><name><surname>Perez</surname>
<given-names>A Maria</given-names>
</name>
<xref ref-type="aff" rid="I2">2</xref>
<email>sgraham@mlw.medcol.mw</email>
</contrib>
<contrib id="A4" contrib-type="author"><name><surname>Bowie</surname>
<given-names>Cameron</given-names>
</name>
<xref ref-type="aff" rid="I2">2</xref>
<email>cbowie@medcol.mw</email>
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<contrib id="A5" contrib-type="author"><name><surname>Molyneux</surname>
<given-names>David H</given-names>
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<xref ref-type="aff" rid="I1">1</xref>
<email>david.molyneux@liv.ac.uk</email>
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<aff id="I1"><label>1</label>
Lymphatic Filariasis Support Centre, Liverpool School of Tropical Medicine, Pembroke Place, L3 5QA, UK</aff>
<aff id="I2"><label>2</label>
Malawi College of Medicine, P/Bag 360, Blantyre3, Malawi</aff>
<aff id="I3"><label>3</label>
Onchocerciasis Control Programme, PO Box 2273, Blantyre, Malawi</aff>
<pub-date pub-type="collection"><year>2007</year>
</pub-date>
<pub-date pub-type="epub"><day>29</day>
<month>11</month>
<year>2007</year>
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<volume>6</volume>
<fpage>12</fpage>
<lpage>12</lpage>
<ext-link ext-link-type="uri" xlink:href="http://www.filariajournal.com/content/6/1/12"></ext-link>
<history><date date-type="received"><day>17</day>
<month>4</month>
<year>2007</year>
</date>
<date date-type="accepted"><day>29</day>
<month>11</month>
<year>2007</year>
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<permissions><copyright-statement>Copyright © 2007 Ngwira et al; licensee BioMed Central Ltd.</copyright-statement>
<copyright-year>2007</copyright-year>
<copyright-holder>Ngwira et al; licensee BioMed Central Ltd.</copyright-holder>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0"></ext-link>
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p>
<pmc-comment> 
 Ngwira 
 MM 
 Bagrey 
  
  
 bngwira@africa-online.net 
  
 The geographical distribution of lymphatic filariasis infection in Malawi 
 2007Filaria Journal 6(1): 12-. (2007)1475-2883(2007)6:1<12>urn:ISSN:1475-2883</pmc-comment>
        </license>
</permissions>
<abstract><p>Mapping distribution of lymphatic filariasis (LF) is a prerequisite for planning national elimination programmes. Results from a nation wide mapping survey for lymphatic filariasis (LF) in Malawi are presented. Thirty-five villages were sampled from 23 districts excluding three districts (Karonga, Chikwawa and Nsanje) that had already been mapped and Likoma, an Island, where access was not possible in the time frame of the survey. Antigenaemia prevalence [based on immunochromatographic card tests (ICT)] ranged from 0% to 35.9%. Villages from the western side of the country and distant from the lake tended to be of lower prevalence. The exception was a village in Mchinji district on the Malawi-Zambia border where a prevalence of 18.2% was found. In contrast villages from lake shore districts [Salima, Mangochi, Balaka and Ntcheu (Bwanje valley)] and Phalombe had prevalences of over 20%.</p>
<p>A national map is developed which incorporates data from surveys in Karonga, Chikwawa and Nsanje districts, carried out in 2000. There is a marked decline in prevalence with increasing altitude. Further analysis revealed a strong negative correlation (R<sup>2 </sup>
= 0.7 p < 0.001) between altitude and prevalence. These results suggest that the lake shore, Phalombe plain and the lower Shire valley will be priority areas for the Malawi LF elimination programme. Implications of these findings as regards implementing a national LF elimination programme in Malawi are discussed.</p>
</abstract>
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The geographical distribution of lymphatic filariasis infection in Malawi

The geographical distribution of lymphatic filariasis infection in Malawi

Source :

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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Pour générer des pages wiki