Virginia confirms first locally acquired dengue case in Northern Virginia

For the first time, Virginia has confirmed a case of dengue fever contracted not abroad but within its own borders, marking a quiet but consequential shift in the geography of a disease long considered a distant tropical concern. A Northern Virginia resident's illness has prompted state health officials to investigate local mosquito populations, raising questions about whether the conditions for sustained transmission have taken root in the Mid-Atlantic. This single case carries the weight of a larger pattern — a world in which climate, travel, and ecological change are steadily redrawing the