About the Authors

Christian Schaetti

christian.schaetti@unibas.ch

Affiliations Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland

Said M. Ali

Affiliation Public Health Laboratory Ivo de Carneri, Chake-Chake, Pemba, United Republic of Tanzania

Claire-Lise Chaignat

Affiliation Global Task Force on Cholera Control, World Health Organization, Geneva, Switzerland

Ahmed M. Khatib

Affiliation Ministry of Health of Zanzibar, Zanzibar, United Republic of Tanzania

Raymond Hutubessy

Affiliation Initiative for Vaccine Research, World Health Organization, Geneva, Switzerland

Mitchell G. Weiss

Affiliations Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS SMA CLC AMK RH MGW. Analyzed the data: CS MGW. Wrote the paper: CS MGW. Organized and supported data collection: CS. Facilitated data collection and field activities: SMA CLC AMK RH.