<prompt> Varicella zoster remains latent in:LymphocytesMonocytesTrigeminal ganglionPlasma cells  <response>: Ans. is c i.e., Trigeminal ganglion Ref: Ananthanarayan, 9the, p. 472 and 8the, p. 473 Trigeminal ganglion is involved in herpes zoster ophthalmic us and follows Hutchinson rule and dermatomal involvement is present T3 - L3. 