US officials flag ultra-potent fentanyl analogues as emerging drug danger
The White House warned that new fentanyl analogues, up to 100 times more lethal, are spreading across the United States.
Why it matters
Extremely potent fentanyl variants could cause a sharp rise in overdose deaths nationwide.
In this story
fentanyl analoguespotencydrug threat noticeoverdose deathspublic healthlaw enforcementopioid crisis
