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Research Article

Geographical Distribution of Intestinal Schistosomiasis and Soil-Transmitted Helminthiasis and Preventive Chemotherapy Strategies in Sierra Leone

  • Joseph B. Koroma,

    Affiliations: National Onchocerciasis Control Program, Ministry for Health and Sanitation, Freetown, Sierra Leone, World Health Organization, Freetown, Sierra Leone

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  • Jen Peterson,

    Affiliation: Helen Keller International, Freetown, Sierra Leone

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  • Aiah A. Gbakima,

    Affiliation: University of Sierra Leone, Freetown, Sierra Leone

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  • Francis E. Nylander,

    Affiliation: World Health Organization, Freetown, Sierra Leone

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  • Foday Sahr,

    Affiliation: University of Sierra Leone, Freetown, Sierra Leone

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  • Ricardo J. Soares Magalhães,

    Affiliation: School of Population Health, University of Queensland, Herston, Queensland, Australia

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  • Yaobi Zhang,

    Affiliation: Regional Office for Africa, Helen Keller International, Dakar, Senegal

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  • Mary H. Hodges mail

    mhodges@hki.org

    Affiliation: Helen Keller International, Freetown, Sierra Leone

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  • Published: November 23, 2010
  • DOI: 10.1371/journal.pntd.0000891

About the Authors

Joseph B. Koroma
National Onchocerciasis Control Program, Ministry for Health and Sanitation, Freetown, Sierra Leone
Joseph B. Koroma, Francis E. Nylander
World Health Organization, Freetown, Sierra Leone
Jen Peterson, Mary H. Hodges
Helen Keller International, Freetown, Sierra Leone
Aiah A. Gbakima, Foday Sahr
University of Sierra Leone, Freetown, Sierra Leone
Ricardo J. Soares Magalhães
School of Population Health, University of Queensland, Herston, Queensland, Australia
Yaobi Zhang
Regional Office for Africa, Helen Keller International, Dakar, Senegal

Corresponding Author

Email: mhodges@hki.org

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JBK JP. Performed the experiments: JBK. Analyzed the data: RJSM YZ MHH. Contributed reagents/materials/analysis tools: AAG FEN FS. Wrote the paper: MHH. Reviewed and revised the manuscript: YZ.