Humanherpes viruses (HHV) are a family of eight Viruses that attack humans causing specific diseases depending on the virus.
- HHV-1 also known as Herpes Simplex Virus 1
- HHV-2 also known as Herpes Simplex Virus 2
- HHV-3 also know as Varicella-zoster virus (VZV)
- HHV-4 also known as Epstein-Barr virus (EBV)
- HHV-5 also known as Cytomegalovirus (CMV)
- HHV-6 also known as Roseolovirus
- HHV-7 also known as Roseolovirus
- HHV-8 also known as Kaposi's sarcoma-associated herpesvirus (KSHV)
- HHV-4 (EBV) is one of the causes of mononucleosis and can cause many more serious diseases, especially in patients who are immunocompromised. It is also one of the oncogenic (cancer-causing) viruses, responsible for some types of lymphoma.
- HHV-5 (CMV) is the most common cause of mononucleosis.
- HHV-6 and-7 cause "Sixth disease" or the misleadingly named "baby measles", a childhood disease causing rash and fever.
- HHV-8 causes Kaposi's sarcoma, a common disease in advanced AIDS, also seen in other immunocompromised individuals.
- Note: HHV-1 is more likely to cause oral herpes, HHV-2 is more likely to cause genital.