Evasive answer I guess you wouldn't.
I probably would actually. There's always a risk with transfusions (private companies are now paying donors in America and cutting corners, not testing properly etc) I don't think an HIV positive test would do much to dissuade me about the potential danger.
Do you have a decent source of information for thr flu vaccines claim?
I can't find the original article I read that from right now, it's from quite a few years ago and will take some searching
AIDS Test Results Tied to Flu Shots