Hi Carol,
I have wondered about this myself, as I have received many transfusions in the past. When I asked my doctor about this, they thought the antibodies would decrease over time, but they weren't entirely sure. Maybe that is why you must get a new flu shot every year, even if it is for the same strain.
Let us know what you hear on this topic!
Hope you are doing well.
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58 yo female, dx 9/08, AA/hypo-MDS, subclinical PNH, ATG/CsA 12/08, partial response. small trisomy 6 clone, low-dose cyclosporine dependent
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