Lesson of the month: Late, disseminated herpes zoster reactivation in a stem cell transplant recipient: implications for post-transplant prophylaxis and immune monitoring.

Varicella zoster reactivation is a known risk following stem-cell transplantation, but has become more infrequent since universal antiviral prophylaxis. We report an unusual case of late, disseminated reactivation in a 27-year-old man with positive pre-transplant serology, and discuss implications for post-transplant prophylaxis and immune monitoring.
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