About the Authors

Christiana Smith

Christiana.Smith@childrenscolorado.org

Affiliation Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America

Jeri E. Forster

Affiliation Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado, United States of America

Myron J. Levin

Affiliations Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, United States of America

Jill Davies

Affiliations Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Aurora, Colorado, United States of America, Department of Obstetrics and Gynecology, Denver Health Medical Center, Denver, Colorado, United States of America

Jennifer Pappas

Affiliation Children's Hospital Colorado, Aurora, Colorado, United States of America

Kay Kinzie

Affiliation Children's Hospital Colorado, Aurora, Colorado, United States of America

Emily Barr

Affiliation Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America

Suzanne Paul

Affiliation Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America

Elizabeth J. McFarland

Contributed equally to this work with: Elizabeth J. McFarland, Adriana Weinberg

Affiliation Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America

Adriana Weinberg

Contributed equally to this work with: Elizabeth J. McFarland, Adriana Weinberg

Affiliations Department of Pediatric Infectious Diseases, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado, United States of America, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, United States of America, Department of Pathology, University of Colorado School of Medicine, Aurora, Colorado, United States of America

Competing Interests

The authors have the following competing interests. This work was partially supported by contributions from Pfizer (project number 2580628) and Abbott (project number 2580614). Christiana Smith – none. Jeri Forster – none. Myron Levin - (1) Merck & Co. - research funds, fees for consultation, royalties from patent number 5,997,880, entitled "Method for alleviating varicella related postherpetic neuralgia." (2) GlaxoSmithKline - research funds, adjudication committee. Jill Davies – none. Jennifer Pappas – none. Kay Kinzie – none. Emily Barr – none. Suzanne Paul – none. Elizabeth McFarland - research funds from Gilead. Adriana Weinberg - research funds from MedImmune, Becton Dickinson, Roche, Cepheid, Diagnostic Hybrids and Sanofi Pasteur. In addition, Drs. Levin and Weinberg share conflicts of interest due to their marital association. There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: CS JEF EJM AW. Performed the experiments: MJL JD JP KK EB SP EJM AW. Analyzed the data: CS JEF EJM AW. Contributed reagents/materials/analysis tools: JEF. Wrote the paper: CS JEF MJL JD JP KK EB SP EJM AW.