| Noun | 1. | indirect transmission - a transmission mechanism in which the infectious agent is transferred to the person by a fomite of vector transmission mechanism - any mechanism whereby an infectious agent is spread from a reservoir to a human being vector-borne transmission - indirect transmission of an infectious agent that occurs when a vector bites or touches a person vehicle-borne transmission - indirect transmission of an infectious agent that occurs when a vehicle (or fomite) touches a person's body or is ingested |