vernal encephalitis --> tick-borne encephalitis
1. (Central European subtype) tick-borne meningoencephalitis caused by a flavivirus closely related to the virus causing the far Eastern type; it is transmitted by ixodes ricinus, also by infected raw milk, especially that of goats.
2. (Eastern subtype) tick-borne encephalitis, a severe form of encephalitis caused by a flavivirus, a virus belonging to the flaviviridae family, and transmitted by ticks (ixodes pertulcatus and I. Ricinus).
Synonym: russian tick-borne encephalitis.