Courthouse News Service. Modified Mosquitoes OK'd by FDA for Zika Fight. pdf
Professor Akbari on the efficiency of releasing massive amounts of genetically modified mosquitoes:
"The only limitation of that approach is that it requires what I call an inundation, continuous release, every generation, of a large number of these males, up to 20 times the population size. As you can imagine, that's a significant undertaking and requires a huge effort."