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Engineering A Shingles Vaccine That Doesn’t Wimp Out Over Time

If you had chickenpox as a child, then you’re at risk for shingles.

As you age, the risk increases, probably because the immune system weakens over time. The varicella zoster virus can hide in the body over a lifetime and suddenly activate, causing a painful blistery rash. Even when the rash disappears, pain can linger and worsen, causing a burning, shooting, stabbing pain so severe it can leave people unable to sleep, work or carry on other activities.