Out of curiosity, what was the number (and unit) you got, and which antibodies were tested? I still had antibodies in March, 1 year after having Covid, but the

Out of curiosity, what was the number (and unit) you got, and which antibodies were tested? I still had antibodies in March, 1 year after having Covid, but the doctors didn’t want to say if the level was indicative of immunity or not...