Originally Posted by HUbison
The problem would be proving it. The infected person may be able to say I had sex with partner A and later developed herpes. The prosecution may also be able to prove that partner A has herpes. However, to prosecute, the government would have to prove that partner A's herpes is what the victim caught. Partner A could simply say that victim could have caught it from partner B, C, D, or E.
There might be enough for a civil case, but I doubt it would make it through a criminal court.