Of the more than 130 known herpesviruses, 9 of them are primarily infect humans, including:
- herpes simplex 1 and 2 (HSV-1 and HSV-2), causing most cold sores and genital herpes, repectively;
- varicella-zoster virus (HHV-3), causing chickenpox;
- Epstein-Barr virus (EBV or HHV-4), causing infectious mononucleosis ("mono" or "glandular fever");
- human cytomegalovirus (HHV-5);
- human herpesvirus 6A and 6B (HHV-6A and HHV-6B);
- human herpesvirus 7 (HHV-7);
- Kaposi's sarcoma virus or human herpesvirus 8 (HHV-8).
