herpes zoster vs zoster

herpes zoster

noun
  • An acute viral inflammation of the sensory ganglia of spinal and cranial nerves associated with a vesicular eruption and neuralgic pains, caused by reactivation of the Human herpes virus 3, in genus Varicellovirus, that also causes chicken pox as primo-infection. 

zoster

noun
  • The disease called herpes zoster (from the typically beltlike pattern of its rash); shingles. 

  • An ancient Greek waist-belt for men. 

How often have the words herpes zoster and zoster occurred in a corpus of books? (source: Google Ngram Viewer )