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Research Article

Worldwide Incidence of Malaria in 2009: Estimates, Time Trends, and a Critique of Methods

  • Richard E. Cibulskis mail,

    cibulskisr@who.int

    Affiliation: Global Malaria Programme, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

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  • Maru Aregawi,

    Affiliation: Global Malaria Programme, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

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  • Ryan Williams,

    Affiliation: Global Malaria Programme, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

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  • Mac Otten,

    Affiliation: Global Malaria Programme, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

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  • Christopher Dye

    Affiliation: Office of Health Information, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

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  • Published: December 20, 2011
  • DOI: 10.1371/journal.pmed.1001142

About the Authors

Richard E. Cibulskis, Maru Aregawi, Ryan Williams, Mac Otten
Global Malaria Programme, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland
Christopher Dye
Office of Health Information, HIV/AIDS, Tuberculosis, Malaria & Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland

Corresponding Author

Email: cibulskisr@who.int

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: REC RW CD. Analyzed the data: REC RW CD. Contributed reagents/materials/analysis tools: REC MA RW MO CD. Wrote the first draft of the manuscript: REC CD. Contributed to the writing of the manuscript: REC RW CD. ICMJE criteria for authorship read and met: REC MA RW MO CD. Agree with manuscript results and conclusions: REC MA RW MO CD.