About the Authors

Christopher M. Parry

cparry@oucru.org (CMP); sbaker@oucru.org (SB)

Affiliations Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, The Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam, Centre for Tropical Diseases, University of Oxford, Oxford, United Kingdom, Wellcome Trust Major Overseas Programme, Mahidol University-Oxford University Clinical Research Unit, Angkor Hospital for Children, Siem Reap, Cambodia

Ha Vinh

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

Nguyen Tran Chinh

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

John Wain

Affiliation The Laboratory for Gastrointestinal Pathogens, Health Protection Agency, Colindale, United Kingdom

James I. Campbell

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

Tran Tinh Hien

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

Jeremy J. Farrar

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

Stephen Baker

cparry@oucru.org (CMP); sbaker@oucru.org (SB)

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CMP SB. Performed the experiments: JW JIC CMP. Analyzed the data: CMP SB. Contributed reagents/materials/analysis tools: HV NTC TTH JJF. Wrote the paper: CMP SB.