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Inhibition of HP-OVA on the infection with SARS-CoV-2 PsV and SARS-CoV PsV. Antiviral activity of HP-OVA against SARS-CoV-2 S PsV infection in 293T/ACE2 (A) or Vero E6 (B) target cells. Inhibition of single-round infection of SARS-CoV S PsV in 293T/ACE2 (C) and Vero E6 (D) cells. Data are presented as the mean ± SD of triplicate samples from a representative experiment (*p < 0.05, **p < 0.01, ***p < 0.001).
