There is certainly a chance that your HSV 1 positive result is from a childhood infection and the first test missed it and the second one picked it up. It is also possible that you have a very low positive and it is a false positive. I would agree with Dr. Wald when she (not he) says that genital HSV 1 infections are almost always primary – that is, the person has never been infected with HSV 1 or HSV 2 in the past. She is not saying that everyone who has HSV 1 genitally get symptoms. If you had ocular herpes as a child, yes, that would account for your antibody response. The screening test, it turns out, misses 25% of HSV 1 infections (paper being present this month in Australia). If you had ocular herpes as a child, then that is why you are HSV 1 positive, yes.