About the Authors

Ettie M. Lipner

Affiliation Office of Global Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Melissa A. Law

Affiliation Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Elizabeth Barnett

Affiliation Division of Travel and International Health, Boston University Medical Center, Boston, Massachusetts, United States of America

Jay S. Keystone

Affiliation Division of Infectious Diseases, University of Toronto, Toronto, Canada

Frank von Sonnenburg

Affiliation Department of Tropical and Infectious Diseases, University of Munich, Munich, Germany

Louis Loutan

Affiliation Travel and Migration Medicine Unit, Department of Community Medicine, Geneva University Hospital, Geneva, Switzerland

D. Rebecca Prevots

Affiliation Office of Global Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Amy D. Klion

Affiliation Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Thomas B. Nutman

tnutman@niaid.nih.gov

Affiliation Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

for the GeoSentinel Surveillance Network

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TN LL FvS. Analyzed the data: TN LL EB JK EL ML FvS DP AK. Contributed reagents/materials/analysis tools: LL EB JK EL ML FvS DP. Wrote the paper: TN LL EB JK EL ML FvS DP AK.