Final answer:
The person is at risk of developing shingles, a painful condition caused by the reactivation of the varicella-zoster virus.
Step-by-step explanation:
The person is at risk of developing shingles. Shingles is a painful condition caused by the reactivation of the varicella-zoster virus, which remains dormant in the nervous tissue after an initial chickenpox infection. It can be triggered by various factors such as stress, aging, and immunosuppression.