About the Authors

Carrie Reed

creed1@cdc.gov (CR) (CR); agf1@cdc.gov (AMF) (AF)

Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Jacqueline M. Katz
Kathy Hancock
Amanda Balish
Alicia M. Fry

creed1@cdc.gov (CR) (CR); agf1@cdc.gov (AMF) (AF)

Membership of the H1N1 Serosurvey Working Group is provided in the Acknowledgments.

Affiliation Influenza Division, 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: CR JMK KH AB AMF. Performed the experiments: CR KH AB. Analyzed the data: CR KH JMK AF. Contributed reagents/materials/analysis tools: JMK KH AB. Wrote the paper: CR JMK KH AB AMF.