What is the optimal timing for Zoster vaccine administration for a patient who recently recovered from herpes zoster infection and is now planning to start B-cell depletion therapy?   

This is a complicated question that must balance two competing factors. First, in general, most experts counsel waiting, approximately one year after zoster before vaccination in attempt to take advantage of endogenously boosted immunity and a low rate of recurrence within 12 months. On the other h...