tick-borne encephalitis Eastern subtype

tick-borne en·ceph·a·li·tis East·ern sub·type

(tik'bōrn en-sef'ă-lī'tis ēs'tĕrn sŭb'tīp)
A severe form of encephalitis caused by a flavivirus and transmitted by ticks (Ixodes persulcatus and I. ricinus).