This group Oxitec released some in Florida: https://www.oxitec.com/en/news/florida-keys-mosquito-control-district-and-oxitec-announce-site-participation-for-fl

This group Oxitec released some in Florida: https://www.oxitec.com/en/news/florida-keys-mosquito-control-district-and-oxitec-announce-site-participation-for-florida-keys-pilot-project-to-combat-disease-transmitting-mosquito https://www.oxitec.com/en/news/florida-keys-mosquito-control... They previously released some in Brazil: https://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003864 https://journals.plos.org/plosntds/article?id=10.1371/journa... those results?: ...in the Brazilian city of Indaiatuba found that Oxitec’s mosquito suppressed disease-carrying Aedes aegypti by up to 95%* in urban, dengue-prone environments following just 13 weeks of treatment, as compared to untreated control sites in the same city. *95% was the high 2-week rolling average and the individual weekly high was 98%; the highest 4-week rolling average was 92%.