Residents participate in the “Alas Kwatro Kontra Mosquito” at SB Park along Batasan Road, Quezon City, a dengue prevention cleanup activity that kicked off on Monday (Feb. 24, 2025). The dengue-carrying Aedes aegypti mosquito is most active early in the morning and in the evening before dusk and breeds in stagnant water. (PNA photo by Joan Bondoc)