IFNB1 and infection: Concerning IFN-β, we observed that NH/P68 infection induced higher expression of this gene compared to the virulent 22653/14, in accordance with both Reis et al. (2016) (OURT 88/3 vs. Benin 97/1) and Garcia-Belmonte et al. (2019) (NH/P68 vs. Armenia07) [8,9].