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Antiviral effect of FF72 extract on MAYV. BHK-21 cells were infected with MAYV at an MOI of 0.2 in the absence or presence of different concentrations of FF72 for 24 h. The supernatant of the cells was collected and subjected to a plaque assay for measuring the amount of infective virions. Statistical significance was calculated using a nonparametric Student t test, in which * represents p values lower than 0.05 compared to vehicle-treated condition.
