CCND1 and infection: At day 1 post-infection, cyclin D1 expression was increased in HEMC-HCMV-DB (p-value(HCMV-DB: HMEC-UI) = 0.03) compared to HMEC-HCMV-TB40/E (p-value(HCMV-TB40/E: HMEC-UI) = 0.06) (Figures 6A, E).