About the Authors

Toni G. Patton

Affiliation Microbiology and Pathogenesis Activity, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

Gabrielle Dietrich

Affiliation Tick-Borne Diseases Activity, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

Marc C. Dolan

Affiliation Tick-Borne Diseases Activity, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

Joseph Piesman

Affiliation Tick-Borne Diseases Activity, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

James A. Carroll

Affiliation Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America

Robert D. Gilmore Jr.

rbg9@cdc.gov

Affiliation Microbiology and Pathogenesis Activity, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TGP RDG. Performed the experiments: TGP GD MCD JP RDG. Analyzed the data: TGP RDG. Contributed reagents/materials/analysis tools: TGP GD MCD JP JAC RDG. Wrote the paper: TGP.