There's evidence that a booster dose reduces a person's likelihood of being infected with SARS-CoV-2.
— Johns Hopkins Bloomberg School of Public Health (@JohnsHopkinsSPH) January 13, 2022
That's super like Mario, but less likely doesn't mean impossible.
In general, boosters reduce symptom severity and duration, and reduce transmission: https://t.co/rF2sQBDdNM pic.twitter.com/x1ybm0bCXy