As a baby I had a blood transfusion; are there any diseases that would lie dormant until now when I'm an adult?

Possible blood Ab. Some patients may have antibodies that developed from the first transfusion that can be dormant until another transfusion causes them to flare up again, like anti kidd antibodies. If you are a rh neg. Woman, you might have been exposed to rh pos. Blood, and could give your children hemolytic disease of the newborn in the womb if they are rh pos..