A mosquito-borne fever that is usually mild but can turn severe fast. Explore its illustrative 3D model, human context, and sources.
WHO describes dengue as a viral infection spread to people by infected Aedes mosquitoes, found in tropical and subtropical climates and mostly in urban and semi-urban areas. Most people who are infected have no symptoms. CDC states that about 1 in 4 infected people get sick, and about 1 in 20 of those who get sick develop severe dengue, which is a medical emergency.
CDC states that severe dengue can be life-threatening within a few hours and often requires hospital care, and that about 1 in 20 people who get sick with dengue develop it. WHO adds that people infected a second time are at greater risk of severe dengue and that early detection and proper care greatly lower fatality rates. These figures describe groups, not one person's outcome.
Dengue virus · mature orthoflavivirus representative. A mature-like smooth surface represents dengue viruses; four serotypes and immature forms are not resolved. The colours, proportions, protein shapes and visible counts are illustrative, not measured or an atomic reconstruction. Independent scientific review remains pending.
Source check: 2026-09-19. Educational content; independent scientific review remains pending.