Knowledge, Attitude and Practices of People Regarding Dengue Fever and the Concept of Dengue Vaccine in Dhaka, Bangladesh

Dengue is a vector borne viral disease caused by the flavivirus dengue virus (DENV). About 400 million cases and more than 20,0000 fatalities occurs worldwide each year. Among this over 3 million annual cases of dengue have been reported in Bangladesh. The aim of this study is to evaluate the knowledge, and practices (KAP) regarding dengue virus as well as the study of its awareness of the transmission, prevention, and vaccination in the population of Dhaka, Bangladesh, a city known as the place of dengue outbreaks. For this study a cross-sectional online survey is conducted from October 2023 to January 2024 targeting diverse sociodemographic groups. Results indicated that the majority of respondents (90.64%) were aware of dengue and its vector mosquito their knowledge about the viruses is still very low. Fever were the most commonly recognized symptom which is known by the 97.86% participant’s and over 73% correctly understand that dengue is not transmitted from person to person. Preventive practices were widely adopted by 89% of respondents using mosquito sprays, repellents, and bed nets. Nearly 39% of participants were uncertain about which medications should be avoided for dengue treatment. In terms of vaccination, 40.94% of respondents strongly supported dengue vaccination while a significant minority (15.98%) held neutral views. Despite high awareness and preventive behaviors, a gap remains in detailed knowledge about dengue transmission and specific preventive measures. These findings highlight the need for targeted public health campaigns to enhance community understanding and reduce dengue incidence in Dhaka.