About the Authors

Melissa A. Bourgeois

MBourgeois@cdc.gov

Affiliation Department of Infectious Diseases and Pathology, University of Florida College of Veterinary Medicine, Gainesville, Florida, United States of America

Nancy D. Denslow

Affiliation Department of Physiological Science, University of Florida College of Veterinary Medicine, Gainesville, Florida, United States of America

Kathy S. Seino

Affiliation Department of Veterinary Clinical Sciences, Washington State University College of Veterinary Medicine, Pullman, Washington, United States of America

David S. Barber

Affiliation Department of Physiological Science, University of Florida College of Veterinary Medicine, Gainesville, Florida, United States of America

Maureen T. Long

Affiliation Department of Infectious Diseases and Pathology, University of Florida College of Veterinary Medicine, Gainesville, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MB ML ND DB. Performed the experiments: MB ML KS. Analyzed the data: MB ML. Contributed reagents/materials/analysis tools: MB ML KS. Wrote the paper: MB ML.