About the Authors

Jessica A. Belser

Affiliation Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Kortney M. Gustin

Affiliation Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Taronna R. Maines

Affiliation Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Mary J. Pantin-Jackwood

Affiliation Southeast Poultry Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Athens, Georgia, United States of America

Jacqueline M. Katz

Affiliation Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Terrence M. Tumpey

tft9@cdc.gov

Affiliation Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAB KMG TRM JMK MJPJ TMT. Performed the experiments: JAB KMG TRM MJPJ. Analyzed the data: JAB KMG TRM MJPJ JMK TMT. Contributed reagents/materials/analysis tools: JAB KMG TRM MJPJ. Wrote the paper: JAB KMG TRM JMK TMT.