No offense, but you do know that is not how this vaccine actually works.
If they do come in contact with the virus, they will still get ill and can spread it. All this does is try to dampen the symptoms. That’s why they tell you, you still need to wear the darn mask.
You Can Still Spread, Develop COVID-19 After Getting a Vaccine: What to Know
https://www.healthline.com/health-news/you-can-still-spread-develop-covid-19-after-getting-a-vaccine-what-to-know
No, you’re a bit behind on the research.