<unk>  is caused by<unk>  virus, a member of the genus Flavivirus in the family Flaviviridae. It was first isolated in 1937. Three virus sub-types also exist: European or Western<unk>  virus (transmitted by Ixodes ricinus), Siberian<unk>  virus (transmitted by I. persulcatus), and Far-Eastern<unk>  virus, formerly known as Russian spring summer encephalitis virus (transmitted by I. persulcatus). The former Soviet Union conducted research on<unk><unk>  diseases, including the<unk>  viruses. Transmission Sheep<unk> s (Ixodes ricinus), such as this engorged female, transmit the disease It is transmitted by the bite of several species of infected woodland<unk> s, including Ixodes scapularis, I. ricinus and I. persulcatus, or (rarely) through the non-pasteurized milk of infected cows. Infection acquired through goat milk consumed as raw milk or raw cheese (Frischkäse) has been documented in 2016 and 2017 in the German state of Baden-Württemberg. None of the infected had neurological disease.
Tick-borne encephalitis
Japanese encephalitis
Eastern equine encephalitis
Brain fever
Saint Louis encephalitis
Cryptic rabies
La Crosse encephalitis
Postvaccinal encephalitis