IFIT2 and infection: Three of these genes: IFIT2/ISG54/p54/cig42, IFIT3/ISG60/p60/cig49 and viperin/cig6, were upregulated by HCMV at 8 h post infection (hpi) and even accumulated following exposure to replication-incompetent ultraviolent-irradiated HCMV (UV-HCMV) (72).