Ganciclovir
Ganciclovir has also been used with some success in treating "Human herpesvirus 6" infections.
Human herpesvirus 6
Researchers consistently report having found HHV-6 DNA in tissues that were removed from patients with MTLE. Studies have demonstrated a tendency for HHV-6 to aggregate in the temporal lobe, with the highest concentrations in astrocytes of the hippocampus.