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How often does zoster (shingles) occur following varicella vaccination?

April 26, 2017occur Shingles vaccination varicella zoster

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How often does zoster (shingles) occur following varicella vaccination?

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Varicella vaccine is a live virus vaccine, and may result in a latent infection, similar to that caused by wild varicella virus. Consequently, zoster in vaccinated persons has been reported. Not all of these cases have been confirmed as having been caused by vaccine virus. The risk of zoster following vaccination appears to be less than that following infection with wild-type virus. However, longer follow-up is needed to assess this risk over time.