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Emodin cannot directly impair SADS-CoV infectivity. SADS-CoV was co-incubated with Emodin (12.5 μg/ml) or 0.1% DMSO at 37 °C for 1 h or 3 h, and then viral titers were determined in Vero cells with the TCID50 assay. Results are representative of three independent experiments (mean ± SD). n = 3.
