Figure 2 GA inhibits HSV-1 infection. (A) 1 × 107 PFU HSV-1 strain F were treated for 1 hour with 50 µM GA (Lanes 1–3) or with vehicle (Lanes 4–6) in serum free DMEM and then were used to infect HEp2 or 293T cells at an MOI of 0.5 in 199V medium with final concentration of 2.5 µM GA.