About the Authors

Natalia A. Ilyushina

Affiliations Division of Virology, Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America, Laboratory of Virus Physiology, The D.I. Ivanovsky Institute of Virology RAMS, Moscow, Russia

Jon P. Seiler

Affiliation Division of Virology, Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America

Jerold E. Rehg

Affiliation Department of Pathology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America

Robert G. Webster

Affiliations Division of Virology, Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America, Department of Pathology, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America

Elena A. Govorkova

elena.govorkova@stjude.org

Affiliation Division of Virology, Department of Infectious Diseases, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America

Competing Interests

The authors declare no competing financial interests. While the study reported here did not utilize corporate funding, Drs. Natalia A. Ilyushina, Elena A. Govorkova, and Robert G. Webster are currently performing a different research study funded by F. Hoffmann-LaRoche, Ltd., Basel, Switzerland. In addition, the NA inhibitors oseltamivir carboxylate and zanamivir were provided by Hoffmann-La Roche, Ltd. (Basel, Switzerland).

Author Contributions

Conceived and designed the experiments: NAI RGW EAG. Performed the experiments: NAI JPS. Analyzed the data: NAI JER. Wrote the paper: NAI JER RGW EAG.