The mosquito-borne infection is cropping up in Florida, but mysteriously not in similar regions in the nation.
Most Americans lose little sleep over dengue fever. The mosquito-borne infection is a leading killer in the tropics and subtropics, but it’s been a long-held belief that ubiquitous air-conditioning, few open windows and limited time outdoors protects us from dengue. And in fact, for the past century most U.S. cases (except those near the Texas–Mexico border) were isolated to immigrants or travelers. In recent years, however, locally acquired cases of the disease have started to appear in pockets of the U.S. Now, researchers fear dengue could be gaining a significant foothold here.
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