About the Authors

Ben M. Hause

bhause@newportlabs.com (BMH); feng.li@sdstate.edu (FL)

Affiliations Newport Laboratories, Worthington, Minnesota, United States of America, Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, South Dakota, United States of America

Mariette Ducatez

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

Emily A. Collin

Affiliation Newport Laboratories, Worthington, Minnesota, United States of America

Zhiguang Ran

Affiliations Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, South Dakota, United States of America, Department of Biology and Microbiology, South Dakota State University, Brookings, South Dakota, United States of America

Runxia Liu

Affiliations Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, South Dakota, United States of America, Department of Biology and Microbiology, South Dakota State University, Brookings, South Dakota, United States of America

Zizhang Sheng

Affiliation Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, United States of America

Anibal Armien

Affiliation Veterinary Diagnostic Laboratory, University of Minnesota, St. Paul, Minnesota, United States of America

Bryan Kaplan

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

Suvobrata Chakravarty

Affiliation Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, United States of America

Adam D. Hoppe

Affiliation Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, United States of America

Richard J. Webby

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

Randy R. Simonson

Affiliation Newport Laboratories, Worthington, Minnesota, United States of America

Feng Li

bhause@newportlabs.com (BMH); feng.li@sdstate.edu (FL)

Affiliations Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, South Dakota, United States of America, Department of Biology and Microbiology, South Dakota State University, Brookings, South Dakota, United States of America

Competing Interests

The authors have read the journal's policy and have the following conflicts: BMH, EAC and RRS are employed by Newport Laboratories, a company that produces swine influenza virus vaccines. This does not alter the authors' adherence to all the PLoS Journal policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BMH RJW RRS FL. Performed the experiments: BMH MD EAC ZR RL ZS AA BK . Analyzed the data: BMH MD EAC ZR RL ZS AA BK SC ADH RJW FL. Contributed reagents/materials/analysis tools: AA SC ADH. Wrote the paper: BMH RJW ZS ADH FL.