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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

natural object go
an object occurring naturally

mechanism go
a natural object resembling a machine in structure or function

transmission mechanism
any mechanism whereby an infectious agent is spread from a reservoir to a human being

noun.object

3 Subcategories

airborne transmission go
a transmission mechanism in the which the infectious agent is spread as an aerosol and usually enters a person through the respiratory tract
direct transmission go
a transmission mechanism in which the infectious agent is transferred directly into the body via touching or biting or kissing or sexual intercourse or by droplets entering the eye or nose or mouth
indirect transmission go
a transmission mechanism in which the infectious agent is transferred to the person by a fomite of vector