About the Authors

Victoria J. Wright

Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Shaali Makame Ame

Affiliation Public Health Laboratory Ivo de Carneri, Wawi, Chake Chake, Pemba Island, Zanzibar, United Republic of Tanzania

Haji Said Haji

Affiliation Public Health Laboratory Ivo de Carneri, Wawi, Chake Chake, Pemba Island, Zanzibar, United Republic of Tanzania

Rosemary E. Weir

Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

David Goodman

Affiliation Centre for Human Nutrition, Department of International Health, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

David I. Pritchard

Affiliation School of Pharmacy, University of Nottingham, Nottingham, United Kingdom

Mahdi Ramsan Mohamed

Affiliation RTI International, Dar es Salam, United Republic of Tanzania

Hamad Juma Haji

Affiliation Public Health Laboratory Ivo de Carneri, Wawi, Chake Chake, Pemba Island, Zanzibar, United Republic of Tanzania

James M. Tielsch

Affiliation Centre for Human Nutrition, Department of International Health, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Rebecca J. Stoltzfus

Affiliation Division of Nutritional Sciences, Cornell University, Ithaca, New York, United States of America

Quentin D. Bickle

quentin.bickle@lshtm.ac.uk

Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VJW REW JMT RJS QDB. Performed the experiments: VJW SMA HSH QDB. Analyzed the data: VJW QDB. Wrote the paper: VJW QDB. Responsible for parasitology: DG. Supplied hookworm antigen and reviewed paper: DIP. Supervised fieldwork: MRM HJH.