Acknowledgments: We thank the doctors and nurses at the Queen Sirikit National Institute of Child Health for their outstanding patient care and participation in this study, and the staff members at the Department of Virology, Armed Forces Research Institute of Medical Sciences, over the past 27 years who have carefully performed diagnostic testing, data entry, and specimen archival. We also thank Dr. Daniel Libraty for his critical reading of this manuscript and Dr. Scott Halstead for sharing his thoughts and vast knowledge base, and giving his comments and suggestions on improving the manuscript.
Financial support: This work was funded by the U.S. Army Medical Research and Materiel Command, Fort Detrick, MD.
The opinions or assertions contained herein are the private views of the authors and are not to be construed as reflecting the official views of the United States Army or the Department of Defense.
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