If this US study / site link has done the rounds apologies- If not it makes interesting reading ... as indeed does the rest of the site...
“About 1 in 4 blood cancer patients fail to produce detectable antibodies after COVID-19 vaccination, but results vary substantially by type of blood cancer, according to a new study”
I am one who initially made antibodies only to lose them 6 weeks after the 2nd vaccine dose. I had the antibody test at 2 weeks and again 6 weeks post 2nd dose. I wonder how unusual my results actually are since many who have been tested did so later than the 2 weeks and only once. They would think that none were ever produced when as my results show adequate amounts were made but then lost.
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