viruses attacking nerve cells, concept for neurologic diseases, tumors.

virus neurology disease medicine cell neurosurgery neuron alzheimer autoimmune disorder brain nervous system hospital epilepsy degenerative bacteria parkinson stem surgery illness multiple cancer encephalitis patient death infection science mind health biology tumor viral synapse micro energy green tumors brainstorm anatomy transmission neurobiology nerves coma spinal generated emergency conditions treatment viruses attacking cells concept neurologic diseases vivid conceptual representing onset tumors scene features spiky menacing particles delicate cells depicted electric blue background gradient dark hues creating ominous atmosphere neural network creative