About the Authors

Sheila K. West

shwest@jhmi.edu

Affiliation Dana Center for Preventive Ophthalmology, Johns Hopkins University, Baltimore, Maryland, United States of America

Robin Bailey

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Beatriz Munoz

Affiliation Dana Center for Preventive Ophthalmology, Johns Hopkins University, Baltimore, Maryland, United States of America

Tansy Edwards

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Harran Mkocha

Affiliation Kongwa Trachoma Project, Kongwa, Tanzania

Charlotte Gaydos

Affiliation International Chlamydia Laboratory, Department of Infectious Diseases, Johns Hopkins University, Baltimore, Maryland, United States of America

Thomas Lietman

Affiliation Proctor Foundation, University of California, San Francisco, San Francisco, California, United States of America

Travis Porco

Affiliation Proctor Foundation, University of California, San Francisco, San Francisco, California, United States of America

David Mabey

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Thomas C. Quinn

Affiliation Division of Intramural Research, National Institute for Allergy and Infectious Diseases (NIAID), Bethesda, Maryland, United States of America

Competing Interests

I have read the journal's policy and have no conflicts. Azithromycin was donated to the Government of Tanzania through the Trachoma donation program at Pfizer International and managed by International Trachoma Initiative. Pfizer and ITI had no role in the design, conduct, data collection, management, interpretation of the data, or decision to submit the paper for publication.

Author Contributions

Conceived and designed the experiments: SKW RB BM HM TL TP DM TCQ. Performed the experiments: SKW RB HM TL TCQ. Analyzed the data: SKW BM TE CG TP TCQ. Contributed reagents/materials/analysis tools: SKW CG TL TCQ. Wrote the paper: SKW RB BM TE HM CG TL TP DM TCQ.