Dengue is now established as one of the most dangerous arboviral infection in tropical countries. As the epidemic continues worldwide, this aedes mosquito transmitted pathogen is considered a major re-emerging tropical disease and significant public health concern. The study was conducted to determine the prevalence of dengue fevers among the patients of different gender and economic status attended at Shaheed Ziaur Rahman Medical College Hospital, Bogura, Bangladesh during May to October 2019. The study was carried out on 300 clinically suspected Dengue patients, who had fever with temperature >40 C. Blood sample was collected during acute febrile phase of patients and separated sera were tested for NS1 dengue antigen and IgG/ IgM antibodies using commercial rapid kits.