 [ Symptoms ] can herpes 2 go unnoticed on an std test  a year ago i had blood urinary and swab test only to find out i had herpes 1 and a yeast infection uti i am a male so it was all new to me after about a year or so i had developed sores under the head of my penis so i went and got a urineblood test done and was informed that i have herpes 2 so i am wondering if i could have had it this whole time and it did not show up before since there were no signs or if i did in fact recently receive the virus [ Disease ] if you do not have active lesions at the time of your test not sure what kind of std tests you had not all of them even check for herpes it could have been a false negative test if you are continuing to have unprotected sex you could have picked up herpes 2 anytime there are no laboratory tests that will prove when you got it