Herpes zoster multiply in:

Ans. c. Dorsal root ganglionRef: For More details see explanation of Ques No-3.Varicella-zoster virus (VZV) reactivates from the neurons of sensory ganglia (usually in areas supplied by the trigeminal nerve and thoracic ganglion) to cause herpes zoster or shingles.Latent in dorsal root or trigeminal ganglia; CN V1 branch involvement can cause herpes zoster ophthalmicus.