Dear Sir/Madam, UNICEF is hereby inviting Bidders to submit proposals in response to UNICEF Request for Proposal RFP-DAN-2026-503926 for Inactivated Poliovirus Vaccines for Delivery During the Period 2028 – 2030. The deadline for submission of proposals is 4th of September 2026, 5:00 PM, Copenhagen local time. Acknowledgement of receipt of this Request for Proposal, as well as any requests for clarifications and questions, shall be sent to Ian Lewis ([email protected]) according to the instructions stipulated in the Request for Proposal document. Kindly copy Alan McNulty ([email protected]) in these communications. For other instructions, please refer to the Request for Proposal document. Proposals must only be submitted to [email protected]. Proposals sent to the above mentioned individuals or any other e-mails will be invalidated.   Kind regards, UNICEF Supply Division