About the Authors

Jessica R. Spengler

Affiliations Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Disease, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, Montana, United States of America, School of Veterinary Medicine, University of California Davis, Davis, California, United States of America

Elaine Haddock

Affiliation Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Disease, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, Montana, United States of America

Don Gardner

Affiliation Rocky Mountain Veterinary Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, Montana, United States of America

Brian Hjelle

Affiliation Departments of Pathology, Biology and Molecular Genetics and Microbiology, University of New Mexico HSC, Albuquerque, New Mexico, United States of America

Heinz Feldmann

Affiliation Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Disease, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, Montana, United States of America

Joseph Prescott

prescottjb@niaid.nih.gov

Affiliation Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Disease, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, Montana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRS BH JP. Performed the experiments: JRS EH DG JP. Analyzed the data: JRS DG BH HF JP. Contributed reagents/materials/analysis tools: BH HF. Wrote the paper: JRS BH HF JP.