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Shingles: What disease occurs when the latent chickenpox virus reactivates in older adults?

Approximately one in three people in the United States will develop shingles in their lifetime. This painful viral infection, caused by the same virus that causes chickenpox, occurs when the latent chickenpox virus reactivates in older adults and those with weakened immune systems. This guide explores the details of this condition, its symptoms, risk factors, and preventative measures.