The Karolinska Institute is a research-led medical university in Solna within the Stockholm urban area of Sweden and one of the foremost medical research institutes globally. From Wikipedia
Karolinska Institutet’s first-in-human use of an adeno-associated virus to deliver OTOF directly into inner ear tissues restored hearing thresholds from 106 to 52 decibels in patients aged 1 to 24 within months without serious adverse reactions
