This document provides information about dengue fever, including: - It is caused by the dengue virus and transmitted through mosquito bites. There are four types of the virus. - Symptoms include high fever, severe headache, joint and muscle pain. It can develop into a potentially lethal condition called severe dengue. - Prevention efforts should focus on eliminating mosquito breeding sites and using protective measures like repellents, nets and proper clothing. Community involvement is important to control the spread of the disease. - There is currently no licensed vaccine or specific treatment, so care is supportive and focuses on rest, fever relief and fluid intake.