
Mosquitoes, Money & Heat: Why West Nile Virus Thrives in America’s Wealthiest Neighborhoods
Each summer as warm evenings descend on American cities, a silent danger begins to stir: West Nile virus. Though often associated with tropical or rural areas, this mosquito-borne illness has quietly taken root in urban landscapes especially in the most affluent neighborhoods.
In 2012, an unprecedented outbreak scorched Park Cities, a wealthy enclave within Dallas. The virus sickened 225 people, triggered 173 neuroinvasive cases like encephalitis and meningitis, and claimed 19 lives. Other major cities like Chicago, Los Angeles, and Sacramento have also developed persistent West Nile hot spots.
Why cities? Why the rich?
The key vector is Culex quinquefasciatus, the Southern house mosquito. These mosquitoes don’t travel far and breed in stagnant water found in lawns, drains, flower...