A Fentanyl Vaccine Is About to Get Its First Major Test

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https://www.wired.com/story/a-fentanyl-vaccine-is-about-to-get-its-first-major-test/?utm_source=nl&utm_brand=wired&utm_mailing=WIR_Science_120825&utm_campaign=aud-dev&utm_medium=email&utm_term=WIR_Science&utm_content=WIR_Science_120825&bxid=67883001cdeb6340250c3d97&cndid=85787720&hasha=c9edd795ab58c731e64cc2832451a46d&hashb=92cd5a4e4f9a554757364e6cc6a52d8ff33f14ec&hashc=1e7f7a9239bb44f191dc979b8fe5e634e587dfe020b84a653d2040468a8b342b&esrc=bx_multi1st_science

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A Fentanyl Vaccine Is About to Get Its First Major Test

Dec 3, 2025

ARMR Sciences of New York is trialing a vaccine in the Netherlands to protect against fentanyl-related overdose and death.

Just a tiny amount of fentanyl, the equivalent of a few grains of sand, is enough to stop a person’s breathing. The synthetic opioid is tasteless, odorless, and invisible when mixed with other substances, and drug users are often unaware of its presence.

PHOTO-ILLUSTRATION: WIRED STAFF; GETTY IMAGES: