[Magnum44]

well, one thing I do remember learning is antibotics can fight bacterial infection, but dont really attack the virus

[Myrddin]

A macrolide blocks protein synthesis on the cells ribosomes. Since a virus hijacks the ribosomes to translate its RNA to a long protein peptide, the macrolide can slow it down. The 3CL protease is responsible for chopping up the viral peptide coming off the ribosome into functional proteins to support the virus. A 3CL protease inhibitor enters the active site of the protease and binds causing the protease to be blocked for further operation. It's a one inhibitor to one protease inactivation, so you need enough to suppress all of the 3CL protease.