Dengue Fever: Symptoms, Causes, Prevention, and Treatment
Introduction Dengue fever is a mosquito-borne viral disease that has become a major public health concern in many tropical and subtropical countries. It is caused by the dengue virus and is transmitted to humans through the bite of an infected female Aedes mosquito, primarily Aedes aegypti. Dengue can affect people of all ages and may range from a mild illness to a severe, life-threatening condition. Early recognition of symptoms and timely medical care are essential to reduce complications. What Is Dengue Fever? Dengue is a viral infection caused by one of the four dengue virus serotypes (DENV-1, DENV-2, DENV-3, and DENV-4). A person can become infected more than once because infection with one serotype does not provide lifelong immunity against the others. How Is Dengue Spread? Dengue is spread through the bite of an infected female Aedes mosquito. These mosquitoes usually bite during the daytime, especially in the early morning and late afternoon. They breed in clean, stagnant...