# Human as WMD Vector **Entity class:** Legal and systems distinction A human can occupy the statutory **vector** position in a biological-weapons architecture only when the person is capable of carrying an actual biological agent or toxin to a host. Ideological transmission does not satisfy that biological definition; its corresponding term is [[wiki/Memetic Vector|memetic vector]]. ## Relationships [[wiki/Vector (Biological Weapons Law)|Vector under biological-weapons law]] · [[wiki/Biological Agent|Biological Agent]] · [[wiki/WMD Delivery System|WMD Delivery System]] ## Sources - [18 U.S.C. §178 — biological-weapons definitions](https://uscode.house.gov/view.xhtml?edition=2023&num=0&req=granuleid%3AUSC-2023-title18-section178) **As of:** 2026-09-23