We report a case of a previously healthy man returning to the United Kingdom from Lithuania who developed rhombencephalitis and myeloradiculitis due to tick-borne encephalitis. These findings add to sparse data on tick-borne encephalitis virus phylogeny and associated neurologic syndromes and underscore the importance of vaccinating people traveling to endemic regions.
Keywords: Encephalitis; Lithuania; Meningoencephalitis; Myelitis; Myeloradiculitis; Phylogeny; Rhombencephalitis; Tickborne; Travel-Related Illness; United Kingdom; Vector-borne infections; Viruses; meningitis/encephalitis.