However, upon infection with the Sendai virus (SeV), the cells exhibited increased expression of IFN and chemokine genes (IFNB1, IL29, IL28A, IL28B and CXCL11) and interferon-stimulated genes (DDX58, IFIH1, DHX58, IFIT1-3, and OASL) (Fig. 1B and C). Here, IFNL1 is linked to infection.