@Diwi9 Apologies if you have explained this elsewhere but (prior to the vaccine) did your illness present in the way that you were immuno-compromised or prone to getting infections? I know that the word "sub-groups" is not perfect but I'll use it here for lack of a better term.
There seems to be a sub-group in which the person has an immune system which is skewed toward immune deficiency and tests low for IgG Sub-Classes and high for viral titers and has flu-like symptoms, fevers, sore throats, swollen lymph nodes, etc. This sub-group would easily get colds, flu, and other infections when exposed.
Then the other sub-group would be someone who has an immune system that is skewed toward autoimmunity and allergic reactions. They would not test low for IgG sub-Classes, or have positive viral titers, and would often have a positive ANA Titer and test positive for many autoantibodies. They would not have flu-like symptoms and would not ever get a cold, flu, infection, and not get fevers. Most likely they would be skewed toward allergic reactions & anaphylaxis and/or MCAS (plus other various autoimmune diagnoses).
Regardless of what we label the illness, I am skewed toward the second group and have not had a traditional cold or flu since 2013 (and in spite of being directly exposed to many infections since 2013, I did not catch them). The treatments that led to my remission (and the treatments that I do best with in general) are immuno-suppressants. For me, I cannot do anything like a vaccine that is immuno-stimulatory b/c it could bring my autoimmunity out of remission (which took three years of infusions to fully put it into remission).
I was just curious if you were in the first sub-group that I mentioned vs. the second (at baseline prior to getting the vaccine)? I realize this is just an informal description and I hope that my question made sense!