About the Authors

James W. Bruce, Paul Ahlquist
Institute for Molecular Virology, University of Wisconsin, Madison, Wisconsin, United States of America

Paul Ahlquist
Howard Hughes Medical Institute University of Wisconsin, Madison, Wisconsin, United States of America

John A. T. Young
Infectious Disease Laboratory, The Salk Institute for Biological Studies, La Jolla, California, United States of America

Corresponding Authors

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JWB PA JATY. Performed the experiments: JWB. Analyzed the data: JWB PA JATY. Wrote the paper: JWB PA JATY.