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(a) MTS assay showing effects of Garcinia kola extract (6.25, 12.5 and 25 μg/ml) on the viability of SARS‐CoV‐2 spike protein S1‐stimulated PBMCs. Control cells were treated with DMSO (0.2%). (b) MTS assay showing effects of garcinoic acid (1.25, 2.5 and 5 μM) on the viability of SARS‐CoV‐2 spike protein S1‐stimulated PBMCs. Control cells were treated with DMSO (0.2%)
