We told her in great detail about my immune disorder, about the antibody replacement therapy, and that antibody testing didn't work and you had to do PCR testing.

For that same teacher, I used to grade pre-med chemistry papers. Honest to God, that pretty much rubbished any ideas I had about doctors having to be knowledgable about all the disciplines that impinged on human health.

Edit: I'm surprised too that you get vaccinated. I wouldn't have expected it.