Meanwhile, the addition of the TLR3 inhibitor reduced the secretion of IFN-α and IFN-β 24 h post-infection, while the addition of the TLR7 inhibitor reduced the expression of these type I IFNs 48 h post-infection (Figure 3f,g) (p < 0.001; Student’s t-test). Here, IFNB1 is linked to infection.