The World Health Organization (WHO) invites vendors to submit an Expression of Interest (EOI) for [E-Learning Media Development for Web-Based Immunization Trainingwhich address the following objectives: To develop training media and digitalize two sets of immunization training module designated for the Immunization Manager and Vaccinator, building upon existing training content and incorporating agreed-upon formats and methods. To integrate the digitalized training modules into existing Indonesia Ministry of Health’s Learning Management System (Plataran Sehat), including the development of MOOC curricula and facilitation of other necessary administrative and technical processes. WHO intends to invite selected vendors to participate in a formal solicitation, via a Request for Proposals (RFP), at a later stage, for the above requirements.  Complete details of the requirements will be included in the solicitation documents.