About the Authors

Ha Vinh

Affiliations The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam, The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Vo Thi Cuc Anh

Affiliation Huu Nghi Hospital, Cao Lanh, Dong Thap Province, Vietnam

Nguyen Duc Anh

Affiliation The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

James I. Campbell

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Nguyen Van Minh Hoang

Affiliations The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam, The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Tran Vu Thieu Nga

Affiliation The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Nguyen Thi Khanh Nhu

Affiliation The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Pham Van Minh

Affiliations The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam, The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Cao Thu Thuy

Affiliations The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam, The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Pham Thanh Duy

Affiliation The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam

Le Thi Phuong

Affiliation Huu Nghi Hospital, Cao Lanh, Dong Thap Province, Vietnam

Ha Thi Loan

Affiliation The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam

Mai Thu Chinh

Affiliation The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam

Nguyen Thi Thu Thao

Affiliation School of Medicine and Pharmacy, Ho Chi Minh City, Vietnam

Nguyen Thi Hong Tham

Affiliation Huu Nghi Hospital, Cao Lanh, Dong Thap Province, Vietnam

Bui Li Mong

Affiliation Huu Nghi Hospital, Cao Lanh, Dong Thap Province, Vietnam

Phan Van Be Bay

Affiliation Huu Nghi Hospital, Cao Lanh, Dong Thap Province, Vietnam

Jeremy N. Day

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Christiane Dolecek

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Nguyen Phu Huong Lan

Affiliation The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam

To Song Diep

Affiliation The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam

Jeremy J. Farrar

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Nguyen Van Vinh Chau

Affiliation The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam

Marcel Wolbers

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Stephen Baker

sbaker@oucru.org

Affiliations The Hospital for Tropical Diseases, Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HV CD JJF NVVC SB. Performed the experiments: HV VTCA JIC NVMH TVTN NTKN PVM CTT PTD LTP HTL MTC NGTTT NTHT BLM PVBB NPHL TSD. Analyzed the data: NDA TVTN MW SB. Contributed reagents/materials/analysis tools: JND. Wrote the paper: HV MW SB.