ssICAM-1, IL-21 and IL-23 in patients with tick borne encephalitis and neuroborreliosis

► sICAM-1 may be a proof of BBB disturbances in the early phase of TBE and NB. ► IL-21 and IL-23 do not appear to play a role in the early stage of TBE and NB. ► Correlations between IL-21 and IL-23 and pleocytosis in TBE and NB may be seen.