tick-borne encephalitis concept

3d acute anatomy arboviral arbovirus awareness body brain cell central cns colorado concept conceptual encephalitis epidemic fever flaviviridae flavivirus illustration infection infectious insect medical medicine meningitis meningoencephalitis microbe microbial microorganism microscopic nervous neurology neuron pahology pathologic reovirus rssev russian skeleton spherical spring summer system tbe tbev tick tickborne treatment viral virus