Ganciclovir
Ganciclovir has also been used with some success in treating "Human herpesvirus 6" infections.
Lawrence Corey
• Zerr DM, Meier AS, Selke SS, Frenkel LM, Huang ML, Wald A, Rhoads M, Nguy L, Bornemann R, Morrow RA, Corey L. A population-based study of primary human herpesvirus 6 infection. N Engl J Med. 2005 Feb 24;352(8):768-76.