herpetic meningoencephalitis

her·pet·ic me·nin·go·en·ceph·a·li·tis

a severe form of meningoencephalitis caused by herpesvirus type 1 and associated with a high mortality rate.

her·pet·ic me·nin·go·en·ceph·a·li·tis

(hĕr-petik mĕ-ninggō-en-sefă-lītis) Severe form of meningoencephalitis due to herpesvirus type 1; high mortality rate.