Had a couple of sexual encounters, part protected part not with a co-worker at a conference. About a week or so after I remember seeing a red pimple like bump a couple of inches above my shaft in the pubic bone area. Didn't trigger concern as I thought i was an irritated follicle. Tried squeezing it but nothing came out. Disappeared after 3-4 days, no vesicles etc. No further thought given. 6 weeks later the "co-worker" confesses that she's HSV2 positive for a long time. I didn't have any outbreaks etc. I have had oral cold sores for 20 years or so. This week I tested for HSV2 IGG and got back a positive of 1.9. I've had unprotected sex several times with spouse in meanwhile without any signs/outbreaks etc since then, but now I'm obviously feeling done and dead. Is there a chance of a false positive at this stage?