“. . . it’s true that malaria, for example, has killed probably, by some estimates, half of all humans that have ever lived . . .” (Amesh Adalja, M.D.) The recent outbreak of Zika (a mosquito-borne virus) in the United States brings mankind’s battle against mosquitoes and the diseases they carry to the forefront. We have many tools we can use to fight mosquitoes, like DDT and GMOs (genetically modified organisms), so why aren’t we using them?