About the Authors

Joyce K. Hu

Affiliation Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, United States of America

Jordan C. Crampton

Affiliation Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, United States of America

Michela Locci

Affiliation Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, United States of America

Shane Crotty

shane@lji.org (SC)

Affiliations Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, United States of America, Department of Medicine, University of California, San Diego School of Medicine, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JKH ML SC. Performed the experiments: JKH JCC. Analyzed the data: JKH JCC. Wrote the paper: JKH ML SC.