{HEAD ~ The preferred quiescently infected neural cells} for {TAIL ~ use} in this embodiment are those comprising neurotropic herpes viruses, preferably HSV 1 
for
{ HEAD ~ The preferred quiescently infected neural cells } for { TAIL ~ use } in this embodiment are those comprising neurotropic herpes viruses , preferably HSV 1
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH