“…Although mathematical models have been used to estimate the epidemiological consequences of swine disease introduction, existing models do not often account for within-barn dissemination pathways, such as the airborne transmission (Pozzi et al, 2021;Sørensen et al, 2020;Ssematimba et al, 2022;Tuominen et al, 2022Tuominen et al, , 2023. The speed in which pathogens propagate within swine farms depends on multiple factors, including within-herd disease prevalence, pathogen's virulence (Machado et al, 2022;Malladi et al, 2022), and population factors such as farm size, production types, barn sizes, and barn ventilation systems (Busch et al, 2021;Machado et al, 2022;Mighell & Ward, 2021).…”