Dengue hemorrhagic fever (DHF) remains a major public health problem in Indonesia. This community service activity aimed to improve residents’ knowledge on DHF prevention in Tanjung Duren Selatan, West Jakarta. The program was conducted on December 6, 2025, involving 61 adult female participants. An interactive educational session covering DHF transmission, symptoms, risk factors, and 3M Plus prevention was delivered. Knowledge improvement was evaluated using pre-test and post-test scores. The results showed that 60.7% of participants experienced increased knowledge, with the mean score rising from 72.46 to 87.87 (out of 120). These findings indicate that community-based health education is effective in enhancing public awareness and understanding of DHF prevention practices.
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