This poster examines HPV vaccination coverage in Malaysia between 2020 and 2022, highlighting significant disparities across states and the program’s disruption during COVID-19. It underscores the gap of 560,000 missed vaccinations among eligible adolescent girls, particularly in underserved populations such as B40 households, Orang Asli communities, and out-of-school youth. Data from NCSM’s survey reveal uneven reporting and uptake, with urban states performing better than rural areas. The initiative “Leaving No One Behind” advocates catch-up programs, multi-stakeholder collaboration, and community outreach to restore coverage. Proposed interventions include educational campaigns, personalized support booths, and nationwide relaunch efforts.