Key result
Carcass-based transmission accounted for 53% to 66% of African swine fever virus transmission events in wild boar, with its frequency increasing as host density decreased.
Why the study?
Environmental sources can shape infection dynamics, but the relative impact of environmental transmission on host-pathogen systems is rarely estimated.
Population
Wild boar in Eastern Poland
Comparison
Carcass-based transmission vs direct transmission
Design
Spatially explicit epidemiological modeling study
Authors
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Carcass removal may aid ASFV control in wild boar; supports density-dependent environmental transmission but leaves open need for prospective validation.
Carcass-based transmission plays a primary role in the persistence of African swine fever virus in wild boar, especially at low host densities, highlighting the need for carcass removal in management policies.
Pepin et al. (2020) studied African swine fever virus (ASFV). Carcass-based transmission vs. Direct transmission was evaluated on Proportion of transmission events that were carcass-based. Carcass-based transmission accounted for 53% to 66% of African swine fever virus transmission events in wild boar, with its frequency increasing as host density decreased.
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