Why Are Nigeria-Cameroon Chimpanzees (Pan troglodytes ellioti) Free of SIVcpz Infection?

• Sabrina Locatelli ,

  * E-mail: sabrina.locatelli@ird.fr

  Affiliations Unité Mixte Internationale 233, Institut de Recherche pour le Développement, INSERM U1175, and University of Montpellier, 34394 Montpellier, France, Department of Biological Sciences, University at Albany – State University of New York, Albany, NY, 12222, United States of America

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• Ryan J. Harrigan,

  Affiliation Center for Tropical Research, Institute of the Environment and Sustainability, University of California, Los Angeles, 621 Charles E. Young Drive South, Los Angeles, CA, 90095, United States of America

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• Paul R. Sesink Clee,

  Affiliations Department of Biological Sciences, University at Albany – State University of New York, Albany, NY, 12222, United States of America, Department of Biology, Drexel University, Philadelphia, PA, 19104, United States of America

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• Matthew W Mitchell,

  Affiliations Department of Biological Sciences, University at Albany – State University of New York, Albany, NY, 12222, United States of America, Department of Biology, Drexel University, Philadelphia, PA, 19104, United States of America

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• Kurt A. McKean,

  Current address: School of Biological, Biomedical & Environmental Sciences, University of Hull, Hull HU6 7RX, United Kingdom

  Affiliation Department of Biological Sciences, University at Albany – State University of New York, Albany, NY, 12222, United States of America

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• Thomas B. Smith,

  Affiliation Center for Tropical Research, Institute of the Environment and Sustainability, University of California, Los Angeles, 621 Charles E. Young Drive South, Los Angeles, CA, 90095, United States of America

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• Mary Katherine Gonder

  Affiliations Department of Biological Sciences, University at Albany – State University of New York, Albany, NY, 12222, United States of America, Department of Biology, Drexel University, Philadelphia, PA, 19104, United States of America

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