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EVFEtOH and rutaecarpine block entry of the omicron pseudovirus into HEK293T cells overexpressing ACE2. (A) EVFEtOH and (B) rutaecarpine both blocked omicron pseudovirus entry in dose-response manners. SARS-CoV-2 neutralising antibody was used at 1 µg/mL, as a positive control. The data represent the mean ± SD percentage of inhibition to control (with no drug treatment) and n = 3.
