To observe the kinetics of bacterial killing and further validate the previous results, E. coli survival was measured at multiple time intervals during exposure to V52 at a multiplicity of infection (MOI) of 1 and 10 (Fig. 2B). The resulting survival curves show a progressive reduction in E. coli survival due to extended exposure to wild-type V52 (Fig. 2B). Addition of V52 at a MOI
of 10 and 1 caused 10,000- and 1,000-fold reductions in E. coli, respectively (Fig. 2B). Maximum killing occurred within 2 h, followed by the persistence of a smaller number of E. coli for the remaining exposure time (Fig. 2B).