UNICEF Guinea Bissau intends to recruit a reputable institution to Undertake a study on vaccine confidence, hesitancy, and uptake to inform targeted Social and Behaviour Change (SBC) interventions, to inform the communication strategy for the HPV and Malaria vaccine introduction. In this context, UNICEF invites Institutions interested in participating in the Invitation to Bid for services, LRQS-2026-9203179. Participation in this tender is open on equal terms to all institutions specialized in the above-mentioned field and are holders of a regular license and in accordance with the rules of the public administration. Interested bidders are invited to submit their technical and financial bids as two separate documents, as follows: LRQS-2026-9203179- Technical Proposal LRQS-2026-9203179- Financial Proposal Bids must be submitted no later than Thursday 16 April 2026 at 23:59 local time and be mailed to [email protected]. The opening of bids will be on Friday, 17 April 2026 and will be conducted by an internal Bid Opening Committee. For any general or technical clarification, contact the UNICEF Bissau Office at [email protected]. Note: To optimise your institution’s chances, please ensure that your technical bid is compliant/aligned with the requirements in the Technical Evaluation Criteria.