Ganciclovir
Ganciclovir has also been used with some success in treating "Human herpesvirus 6" infections.
FI6 (antibody)
FI6 is an antibody that targets a protein found on the surface of all influenza A viruses called hemagglutinin. FI6 is the only known antibody found to bind all 16 subtypes of the influenza A virus hemagglutinin and is hoped to be useful for a universal influenza virus therapy.