Operations Research on the impact and scalability of the Pilot of Vulnerable Populations Coverage on Social Health Insurance Schemes & Full Integration of ATM Services in Health Insurance Scheme in 5 States of Anambra, Ebonyi, Gombe, Kwara, and Lagos (please use the complete activity title in all documentation) Dear Proposers, The World Health Organization, hereinafter referred to as WHO, hereby invites prospective Proposers to submit a proposal in accordance with the General Conditions of Contract and the Terms of Reference as set out in this Request for Proposal (RFP). To enable you to submit a proposal, please read the following attached documents carefully. If you are interested in submitting a proposal in response to this RFP: Please acknowledge receipt of this RFP by completing and returning the Letter of Intent in Annex A, indicating your intention to submit a proposal or not, no later than Friday, August 22, 2025 Please submit any requests for clarification no later than Monday, August 25, 2025 Please prepare your proposal in accordance with the requirements and procedures outlined in this RFP and submit it no later than Friday, August 29, 2025 All WHO vendors are required to comply with the United Nations Supplier Code of Conduct. We encourage all Proposers to join the United Nations Global Compact and support the Women’s Empowerment Principles (WEP). For guidance on how to register as a supplier in UNGM and use WHO’s e-tendering system, please refer to the following resources: Instructions on how to register with WHO and access WHO tenders , UNGM Help Center and UNGM/In-Tend support We look forward to receiving your competitive proposals.