About the Authors

Peter Horby

peter.horby@gmail.com

Affiliations Oxford University Clinical Research Unit, Hanoi, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom

Pham Quang Thai

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Niel Hens

Affiliations I-Biostat, Hasselt University, Diepenbeek, Belgium, Centre for Health Economics Research and Modeling Infectious Diseases, Vaccine and Infectious Disease Institute, University of Antwerp, Antwerp, Belgium

Nguyen Thi Thu Yen

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Le Quynh Mai

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Dang Dinh Thoang

Affiliation Ha Nam Centre for Preventive Medicine, Ha Nam, Vietnam

Nguyen Manh Linh

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Nguyen Thu Huong

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Neal Alexander

Affiliation London School of Hygiene and Epidemiology, London, United Kingdom

W. John Edmunds

Affiliation London School of Hygiene and Epidemiology, London, United Kingdom

Tran Nhu Duong

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Annette Fox

Affiliations Oxford University Clinical Research Unit, Hanoi, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom

Nguyen Tran Hien

Affiliation National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PH. Performed the experiments: PQT PH NTTY LQM DDT NML NTH TND AF NTH. Analyzed the data: PH NH PQT. Contributed reagents/materials/analysis tools: NA WJE. Wrote the paper: PH NH.