Dengue hemorrhagic fever (DHF) is an infectious disease caused by one of the dengue viruses, namely DENVs 1-4. This disease is transmitted to humans by the female mosquito Aedes aegypti (Ae. Aegypti) as its main vector. Dengue hemorrhagic fever patients in Bengkalis Regency in 2016 reached 908 cases, one of the most cases in Gajah Sakti Village as many as 41 cases. This study aims to determine …