Author Contributions: Dr Islam had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Midzi, Cravioto, Endtz.
Acquisition of data: Midzi, Charimari.
Analysis and interpretation of data: Islam, Cravioto.
Drafting of the manuscript: Midzi, Charimari.
Critical revision of the manuscript for important intellectual content: Islam, Cravioto, Endtz.
Obtained funding: Cravioto.
Administrative, technical, or material support: Islam, Midzi, Charimari, Cravioto, Endtz.
Study supervision: Cravioto.
Financial Disclosures: None reported.
Funding/Support: Financial and material support was provided by the International Centre for Diarrhoeal Disease Research, Bangladesh; the World Health Organization, Zimbabwe; Communicable Disease Control, Zimbabwe; and the Ministry of Health and Child Welfare, Zimbabwe.
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: The ICDDRB cholera working group comprised Siraj U. Ahmed, MBBS, MPH; Munirul Alam, PhD; Mohammad Ansaruzzaman, MSc; Pradip K. Bardhan, MD; Shah M. Faruque, PhD; Anwarul Iqbal, MBBS, MSc; M. Shafiqul Islam, MSc; Azharul I. Khan, MBBS, PhD; Zahid H. Mahmud, PhD; Ramendra N. Mazumder, MBBS, MD; Firdausi Qadri, PhD; and Kaisar A. Talukder, PhD. All are affiliated with the ICDDRB, and none received compensation for their contributions. James Mudzori, MSc, and Owen Chitsatso, MSc (Ministry of Health and Child Welfare, Zimbabwe), and Sheetal Patel, MSc (Communicable Disease Control, Zimbabwe), helped in collecting samples, for which they did not receive compensation.