Herpe In The Stomach Can The Genital Herpe Virus Mutate? Are There More Than One Strain?

Can the genital herpe virus mutate? Are there more than one strain? - herpe in the stomach

Boyfriend broke with a wound to the head of the penis. This is not the site of infection in general. The pain lasted a little over a month. In contrast to the usual two weeks. Can you build / more than one strain of the virus contract? The virus can mutate over time? I read a lot of information on the Web, but none of that possibility ... or the possibility of profit.