All I can say is that twice my roommate has brought covid into the house, neither time did I catch it after 3 doses of Pfizer and zero precautions since he anno

All I can say is that twice my roommate has brought covid into the house, neither time did I catch it after 3 doses of Pfizer and zero precautions since he announced that he was sick in my face without warning, this last time I even had covid tests and never tested positive (some commenters from the first time claimed I may have been asymptomatic; nobody can know about that time, but this second time I can confirm that rapid testing showed nothing for me but quite clearly for my unvaccinated and twice-sick roommate)