About the Authors

Kay M. Tomashek

kay.tomashek@nih.gov

Current address: Office of Clinical Research Resources (OCRR), Division of Microbiology and Infectious Diseases (DMID), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America

Affiliation Dengue Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico

Brad J. Biggerstaff

Affiliation Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America

Mary M. Ramos

Current address: University of New Mexico School of Medicine, Albuquerque, New Mexico, United States of America

Affiliation Dengue Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico

Carmen L. Pérez-Guerra

Current address: Office of Clinical Research Resources (OCRR), Division of Microbiology and Infectious Diseases (DMID), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America

Affiliation Dengue Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico

Enid J. Garcia Rivera

Current address: University of Puerto Rico School of Medicine, San Juan, Puerto Rico

Affiliation Puerto Rico Department of Health, San Juan, Puerto Rico

Wellington Sun

Current address: Division of Vaccines and Related Product Applications, Office of Vaccines Research and Review, Centers for Biologics Evaluation & Research, U.S. Food and Drug Administration, Rockville, Maryland, United States of America

Affiliation Dengue Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KMT BJB MMR CLPG EJGR WS. Analyzed the data: KMT BJB. Wrote the paper: KMT BJB MMR CLPG EJGR WS. Pilot tested the study instrument: KMT CLPG. Assisted in writing the study protocol and instruments: KMT BJB MMR CLPG EJGR WS.