In a recent study, University of Freiburg researchers coated Colombian water tanks for about $2 a year. Weeks later, dengue cases fell, showing one application could provide long-term protection against the tiger mosquito

Dengue mosquito control: A simple coating on household water containers reduced dengue cases by forty-five percent in Colombia. This inexpensive treatment targets mosquito breeding sites and remains effective for over twelve months. Researchers found a significant reduction in mosquito larvae and pupae in treated areas.