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Infectivity of HSV-1 (strain F) to Vero cells after pretreatment of the virus with different concentrations of SLS (A) or DS (B) for 1 h at 37°C (●) or after the addition of SLS or DS to viruses without pretreatment (○). PFU are expressed as a percentage of the control. Results are the mean ± the standard deviation (SD) of four independent experiments.
