Is again in the singular.
Science:
FDA Approves First Gene Therapy For Leukemia - https://www.npr.org/sections/health-shots/2017/08/30/547293551/fda-approves-first-gene-therapy-treatment-for-cancer That moment when you're wondering, "wait, didn't Tisagenlecleucel get approved first?" and then you realise one is the trade name and one is the science name.
Science:
FDA Approves First Gene Therapy For Leukemia - https://www.npr.org/sections/health-shots/2017/08/30/547293551/fda-approves-first-gene-therapy-treatment-for-cancer That moment when you're wondering, "wait, didn't Tisagenlecleucel get approved first?" and then you realise one is the trade name and one is the science name.