TY - RPRT TI - Modelling porcine reproductive and respiratory syndrome virus dynamics to quantify the contribution of multiple modes of transmission: between-farm animal and vehicle movements, farm-to-farm proximity, feed ingredients, and re-break AU - Galvis, J. A. AU - Corzo, C. AU - Machado, G. PY - 2021 DO - 10.1101/2021.07.26.453902 UR - https://www.biorxiv.org/content/10.1101/2021.07.26.453902v1 ID - 10.1101/2021.07.26.453902 ER -