Fentanyl analogs have killed hundreds of people throughout Europe and the former Soviet republics since the most recent resurgence in use began in Estonia in the early 2000s, and novel derivatives continue to appear.
Fentanyl analogues have resulted in fatalities across Europe and the former Soviet republics since their use increased in Estonia in the early 2000s, and novel variants continue to appear, highlighting the ongoing issue of opioid misuse.