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. 2020 Aug 13;14(8):e0008338. doi: 10.1371/journal.pntd.0008338

Table 1. Definitions of terms used in this paper.

Term Definition
Zoonosis An animal pathogen that can also infect humans
Spillover Animal-to-human transmission
Spillback Human-to-animal transmission
Propagule pressure The number, and temporal and spatial distribution of wildlife exposures to a translocated zoonosis
Permeability The likelihood that humans and potential wildlife hosts, along with the translocated zoonosis, enter the boundary region at the human–wildlife interface
Realized niche The set of hosts, vectors, and ecophysiological requirements that characterize existing transmission cycles of a translocated zoonosis