This pattern of retinal neuronal expression was also evident at 8 days following infection for GFAP-Insm1-mCherry (Supplementary Figure S2), GFAP-Atoh7-Ascl1-mCherry, and GFAP-Atoh7-Brn3b-mCherry (Supplementary Figure S3). Here, POU4F2 is linked to infection.