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.   : Section 1: Cover Letter 2 Section 2: General Instructions to Proposers. 3 Section 3: Specific Information to this RFP. 8 Section 4: Evaluation Criteria. 10 Section 5: Terms of Reference -Services. 13 Section 6: General Conditions of Contract 16 Section 7: Returnable proposal forms. 17 Annex A: Letter of Intent 18 Annex B: Confidentiality Undertaking. 19 Annex C: Proposal Completeness Form.. 20 Annex D: Proposer Information. 21 Annex E: Financial Proposal Form.. 23 Annex F: Self Declaration Form.. 24 Annex G: Joint Venture/Consortium /Association Information. 25 Annex H: Sustainable Procurement Questionnaire (delete if not applicable) 26 Annex I: Performance Security – delete if not applicable. 28 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, November 21, 2025 Please submit any requests for clarification no later than Thursday, November 20, 2025 Please prepare your proposal in accordance with the requirements and procedures outlined in this RFP and submit it no later than Friday, November 28, 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: , and We look forward to receiving your competitive proposals