This is a interesting video that explains to the layperson the action of the antiviral drugs to block the 3CL protease component of the Covid virus.
It's 22 min. Worth the watch.
In his view Ivermectin is potentially more effective because it binds more proteins.
Anyway, not trying to stir things up, just think it's a well done video by a pro-vaccine,pro-masking, pro-social distancing Dr.