ANNEX II

3.CASE DEFINITIONS OF COMMUNICABLE DISEASES

3.46.TICK-BORNE VIRAL ENCEPHALITIS

Case Classification

  1. A.

    Possible case NA

  2. B.

    Probable case

    Any person meeting the clinical criteria and the laboratory criteria for a probable case,

    OR

    Any person meeting the clinical criteria with an epidemiological link

  3. C.

    Confirmed case

    Any person meeting the clinical and laboratory criteria for case confirmation

Note: Serological results should be interpreted according to previous exposure to other flaviviral infections and the flavivirus vaccination status. Confirmed cases in such situations should be validated by serum neutralization assay or other equivalent assays.