Dear Bidders, The World Health Organization (WHO) hereby invites prospective bidders to submit a bid in accordance with the WHO General Terms and Conditions and the Schedule of Requirements as set out in this Invitation to Bid (ITB). To enable you to submit a bid, please read the following attached documents carefully. Contents Section 1: Cover Letter 2 Section 2: General Instructions to Bidders 3 Section 3: ITB Specific Information 7 Section 4: Evaluation Criteria 9 Section 5: Schedule of Requirements 11 Section 6: Conditions of Contract and technical requirements 12 Section 7: Returnable Bidding Forms 13 Form A: Letter of Intent 14 Form B: Self-Declaration Form 15 Form C: Bidder Information Form 16 Form D: Technical Bid Form 19 Form E: Price Schedule Form 20 Form F: Confidentiality undertaking 21 Form H: Performance Security (if advance payment is required) 23   If you are interested in submitting a proposal in response to this ITB: 1. Please acknowledge receipt of this RFP by completing and returning the Letter of Intent in Annex A, indicating your intention to submit a bid or not, no later than Monday, September 8, 2025 2. Please submit any requests for clarification no later than. Wednesday, September 10, 2025 3. Please prepare your proposal in accordance with the requirements and procedures outlined in this RFP and submit it no later than Monday, September 15, 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 bid.