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Evaluations of antiviral effect of Chinese herbal medicines in serial dilutions were presented as log2(dilution fold). Anti–SARS-CoV-2 infection effects of selected Chinese herbal medicines as water extracts (1.0 g/20 mL H2O) and RF3 dissolved in H2O (0.25 mg/mL) are presented. The tested results of all Chinese herbal medicines are summarized in SI Appendix, Fig. S7.
