in and of itself, no the vaccine doesn't do that. But as part of a layered strategy of contact tracing and infection minimization, there's an opportunity to limit the spread to where it doesn't overwhelm hospitalsIf it doesn't kill the virus or hinder it's ability to spread it also doesn't do anything to stop it from ripping around in the population until it mutates. This of course is the fundamental flaw with the idea of implementing vaccine passports.