What is the significance of a prior history of pediatric chickenpox?

Updated: Nov 30, 2018
  • Author: Kirsten A Bechtel, MD; Chief Editor: Russell W Steele, MD  more...
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Ask parents whether their child had chickenpox previously. Recently, the validity of reported varicella history as a marker for immunity among unvaccinated individuals has come into question. A recent study recommended that a reported history is no longer highly predictive of seropositivity, suggesting that universal vaccination regardless of history may be prudent. [16]

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