“ Why is an antibiotic included in an antiviral cocktail?”
This particular antibiotic, azithromycin, works by blocking mRNA needed to make proteins. Mexican Beer Virus is an RNA virus, so the thought is that this drug blocks the viral RNA so the virus can’t replicate. Similar actions by AIDS drugs and other anti-virals make them promising treatments, too.
The antibiotic blocks viral replication and protects against opportunistic bacteriological infection.
The quinine drugs block viral mobility across cell walls.