About the Authors

Ivan V. Kuzmin

ibk3@cdc.gov

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Mang Shi

Affiliations Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, The Pennsylvania State University, State College, Pennsylvania, United States of America

Lillian A. Orciari

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Pamela A. Yager

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Andres Velasco-Villa

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Natalia A. Kuzmina

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Daniel G. Streicker

Affiliation University of Georgia, Athens, Georgia, United States of America

David L. Bergman

Affiliation USDA/APHIS, Wildlife Services, Phoenix, Arizona, United States of America

Charles E. Rupprecht

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IVK MS CER. Performed the experiments: IVK MS LAO PAY AVV NAK DGS DLB. Analyzed the data: IVK MS AVV NAK. Wrote the paper: IVK MS LAO PAY AVV NAK DGS DLB CER. Designed the Perl Script used for analysis: MS. Searched CDC archives for historical specimens: LAO PAY. Supervised and mentored all study process: CER.