Saw this under comments for the booster.
"They definitely are necessary for the immunocompromised. I have a friend who had a kidney transplant two years ago, and even with both doses of the Pfizer vaccine AND both doses of the Moderna vaccine, her antibody count remains dangerously low."
The vaccine is meant to load the body with spike proteins and graphene oxide nanoparticles. Your friend is killing herself. Must have been pretty sturdy to start with, or got some of the saline shots.