TABLE 1.

Summarizing C3 Steps and Timelines in Rwanda and Zanzibar

	Rwanda	Zanzibar
1. Engaging stakeholders	2017–2018: District level testing and preliminary conversations with national stakeholders April 2019: Confirmed commitment to applying Tool with RBC/MOH for analysis at national level	September 2018: Engaged with key decision makers for community health strategy (ZMOH, UNICEF, Save the Children)
2. Defining the questions	April, July 2019	October 2018
3. Modeling assumptions and inputting data in the C3 Tool	July 2019: MCSP-RBC/MOH in-country consultation	October–November 2018
4. Iterative testing of scenarios through the C3 Tool	July 2019: MCSP-RBC/MOH in-country consultation	December 2018–January 2019
5. Prioritizing and decision making	Ongoing by RBC/MOH	January–February 2019: Followed by minor revisions when coupled with Management Sciences for Health's Community Health Planning and Costing Tool costing data July 2019: Finalized revised community health strategy February 2020: Launched strategy at Annual Joint Health Sector Review meeting

Abbreviations: MCSP, Maternal and Child Survival Program; MOH, Ministry of Health; RBC, Rwanda Biomedical Center; UNICEF, United Nations Children's Fund; ZMOH, Zanzibar Ministry of Health.