About the Authors

Marie R. Griffin

marie.griffin@vanderbilt.edu

Affiliations Department of Preventive Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Arnold S. Monto

Affiliation Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, United States of America

Edward A. Belongia

Affiliation Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States of America

John J. Treanor

Affiliation Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, United States of America

Qingxia Chen

Affiliation Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Jufu Chen

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

H. Keipp Talbot

Affiliations Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Suzanne E. Ohmit

Affiliation Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, United States of America

Laura A. Coleman

Affiliation Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States of America

Gerry Lofthus

Affiliation Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, United States of America

Joshua G. Petrie

Affiliation Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, United States of America

Jennifer K. Meece

Affiliation Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States of America

Caroline Breese Hall

Affiliations Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, United States of America, Department of Pediatrics, University of Rochester School of Medicine and Dentistry, Rochester, New York, United States of America

John V. Williams

Affiliations Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America, Department of Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Paul Gargiullo

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

LaShondra Berman

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

David K. Shay

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

for the U.S. Flu-VE Network

Competing Interests

The authors have read the journal's policy and have the following conflicts: Marie R. Griffin received grant support from MedImmune and Pfizer (formerly Wyeth); Arnold S. Monto has been an ad hoc consultant to Baxter, CSL, GSK, Novartis, and sanofi-pasteur; John J. Treanor is an unpaid member of a data safety monitoring board for Novartis, and has received grant support for laboratory studies from GSK and Mercia Pharmam and for conducting clinical vaccine trials from CSL, Protein Sciences, Wyeth, Merck, and VaxInnate; H. Keipp Talbot received research support from Pfizer (Wyeth), Protein Sciences, sanofi-pasteur, and VaxInnate; Caroline Breese Hall has served as a consultant for MedImmune; John V. Williams has served as a consultant for MedImmune, Novartis, and Quidel. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials..

Author Contributions

Conceived and designed the experiments: MRG ASM EAB JJT HKT SEO LAC GL DKS. Performed the experiments: MRG ASM EAB JJT HKT SEO LAC GL JGP JKM CBH JVW. Analyzed the data: MRG QC JC PG DKS. Contributed reagents/materials/analysis tools: QC JKM CBH JVW LB. Wrote the paper: MRG ASM EAB JJT HKT SEO LAC GL JSP CBH JVW PG LB DKS.