COVID AND THE VACCINE - TRUTH, LIES, AND MISCONCEPTIONS REVEALED, page-3282

Sydney cluster of 30 ,24 get covid and the 6 that didn't get covid were fully vaccinated.

Vaccination works except in you head ,vaccinated people and people who have covid can still spread covid but at a much reduced rate so they are urged to wear masks to prevent possible spread while covid is still in the community,its called looking after your fellow citizens a concept you appear to lack.