About the Authors

Jessica M. Hameed

Contributed equally to this work with: Jessica M. Hameed, Ramona L. McCaffrey

Affiliation Department of Preventive Medicine & Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America

Ramona L. McCaffrey

Contributed equally to this work with: Jessica M. Hameed, Ramona L. McCaffrey

Affiliation Enteric Disease Surveillance Program, Operational Infectious Disease Department, Naval Health Research Center, San Diego, CA, United States of America

Andrea McCoy

Affiliation Enteric Diseases Department, Infectious Disease Directorate, Naval Medical Research Center, Silver Spring, MD, United States of America

Tracy Brannock

Affiliation Air Force Global Strike Command, Barksdale Air Force Base, LA, United States of America

Gregory J. Martin

Affiliation Department of State, Washington, DC, United States of America

William T. Scouten

Affiliation Naval Medical Center Portsmouth, Portsmouth, VA, United States of America

Krista Brooks

Affiliation Enteric Disease Surveillance Program, Operational Infectious Disease Department, Naval Health Research Center, San Diego, CA, United States of America

Shannon D. Putnam

Affiliations Enteric Disease Surveillance Program, Operational Infectious Disease Department, Naval Health Research Center, San Diego, CA, United States of America, Yayasan – International Health Development Foundation, Bali, Indonesia

Mark S. Riddle

mark.s.riddle10.mil@mail.mil

Affiliations Department of Preventive Medicine & Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America, Enteric Diseases Department, Infectious Disease Directorate, Naval Medical Research Center, Silver Spring, MD, United States of America

Competing Interests

The views expressed in this article are those of the authors and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, or the U.S. Government. Approved for public release; distribution is unlimited. Human subjects participated in this study after giving their free and informed consent. This research has been conducted in compliance with all applicable Federal Regulations governing the Protection of Human Subjects in Research. U.S. Government Work (17 USC 105). Not copyrighted in the U.S. The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MSR GJM WTS AM. Performed the experiments: JMH RLM KB AM TB GJM WTS MSR. Analyzed the data: JMH RLM MSR. Contributed reagents/materials/analysis tools: JMH RLM MSR SDP. Wrote the paper: JMH RLM MSR WTS. Critical editing and revisions: SDP.