Preprint Concept Paper Version 1 Preserved in Portico This version is not peer-reviewed

Predation-Driven Spillover: Pathogen Bioaccumulation in Top Predators

Version 1 : Received: 9 December 2020 / Approved: 10 December 2020 / Online: 10 December 2020 (17:50:01 CET)

How to cite: Malmberg, J.; White, L.; Vandewoude, S. Predation-Driven Spillover: Pathogen Bioaccumulation in Top Predators. Preprints 2020, 2020120270 (doi: 10.20944/preprints202012.0270.v1). Malmberg, J.; White, L.; Vandewoude, S. Predation-Driven Spillover: Pathogen Bioaccumulation in Top Predators. Preprints 2020, 2020120270 (doi: 10.20944/preprints202012.0270.v1).

Abstract

Predator-prey interactions present heightened opportunities for pathogen spillover, as predators are exposed to novel parasites through consumption of prey harboring potentially infectious agents. Epizootics with high morbidity and mortality have been recorded following prey-to-predator spillover events with significant conservation implications, particularly for sensitive species. However, relatively few virulent infections following prey consumption are reported, given the very large number of exposures that presumably occur. Further, many transmitted agents are infectious but clinically silent and thus go unrecognized. Mechanisms that determine outcome of predator exposure to prey-based pathogens therefore represent an important, understudied component of disease dynamics that should be considered in modeling approaches and empirical research to better understand disease risk and emergence, particularly in vulnerable or threatened species.

Subject Areas

predation; spillover; transmission; disease ecology; cross-species transmission; pathogens; contact behavior; zoonotic disease

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