![](https://www.ibj.com/wp-content/uploads/2019/01/Vertellus_deet_zilka_440px-300x226.jpg)
Zika virus fear fuels demand for local DEET manufacturer
Indianapolis-based chemical manufacturer Vertellus Specialties Inc. has expanded its production capacity by 80 percent to keep up with customer demand for DEET, a common active ingredient in mosquito and tick repellents.