belongs to the herpesvirus family and is categorized into variant A and B (HHV-6A and HHV-6B). Primary HHV-6 infection in children and its related diseases are almost exclusively caused by HHV-6B ...
HHV-6 can be classified into two variants, HHV-6 variant A (HHV-6A) and variant B (HHV-6B) based on their genetic, antigenic and growth characteristics. HHV-6B is the causative agent of exanthema ...