STING1 and infection: We found that replication of HCMV-ΔUL42 was decreased in comparison with wild-type HCMV in HFF-WT cells (Fig 3G), but replications of both HCMV-ΔUL42 and wild-type HCMV were identical at early phase (6–48 hr) of infection in MITA-deficient cells (Fig 3H).