LurkerJ on 24 October 2022
I got a private test done to check my spike protein antibody count, it's over 1500 despite the fact that I have received the vaccine (after getting covid19), and the last Pfizer dose was over 16 months ago and had no boosters since then and no covid19 infections as far as I am aware.
I don't think I am getting the booster if my antibody count stays this high (will recheck in few months). I will make the exception for vaccines addressing newer/different variants obviously, but this is a validated approach to many other vaccines, for example, I had to repeat my hepatitis B vaccine course, I received 6 doses in total to get my antibody count to an acceptable level). A bit odd this isn't being suggested or considered for covid19 vaccines.
