tick-borne encephalitis concept

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