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.
Synonym: biundulant meningoencephalitis, Central European tick-borne fever,
diphasic milk fever, Russian spring-summer
encephalitis (Western subtype).
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.