IL6 and vasculitis: The stroke patients developing after herpes zoster obviously have changes on both brain imaging and angiograms [23,26].Hayman et al reported that the vessel wall of the infarcted brain sections pathology showed vasculitis with lymphocytic infiltration [27].Second, inflammatory cytokines such as interleukin-6 (IL-6) is significantly increased with VZV infections, and the increase is related to arterial thrombosis, although at much lower level[28,29].