Question:
I just found out that my ex-gf was diagnosed with HSV-2 yesterday, her outbreak started on thursday, the last time we had intercourse of any type was 19 days before her outbreak but she had intercourse with another guy that was misdiagnosed once before me and her, I haven't had any signs of an outbreak but the other two have, I'm going to get a blood test tomarrow, I'm sooooo scared, I just don't know what to do

Answer:
what are the chances of a false positive or negative???