WHO is seeking for a qualified, eligible and competent proposer for the Technical Assistance for the Development of Wastewater and Environmental Surveillance (WES) Roadmap in the Philippines. This is a re-advertisement of WHO Bid Reference 2026_PHL-17_WHE-02. Instructions for Submission of Proposals: Submit proposals no later than 17 August 2026, 5PM, GMT +8. Proposals should be submitted through the WHO e-Tendering Platform (In-Tend). If you experience technical difficulties uploading your proposal, please submit it to [email protected] Please quote “WPRO/DAF/SAO/SUP/P/0009440” in the subject line of all related correspondence.