BioNTech SE (BNTX)

[Tamtam]

You got that wrong. People who are vaccinated still can become contagious and contaminate others.

Even though you might have immunity, it's still possible that you can transmit the virus to others. So yes, you should still wear a mask, practice social distancing, and frequently wash your hands even after you've been vaccinated. Sign up for the latest coronavirus news.

Another thing to keep in mind-- you're also protecting others. Even though you might have immunity, it's still possible that you can transmit the virus to others. So yes, you should still wear a mask, practice social distancing, and frequently wash your hands even after you've been vaccinated.
https://www.webmd.com/coronavirus-in-context/video/vaccines-after-vaccine