Who should be receive the varicella vaccine against pediatric chickenpox?

Updated: Nov 30, 2018
  • Author: Kirsten A Bechtel, MD; Chief Editor: Russell W Steele, MD  more...
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Answer

Babies are born with protective maternal antibodies to varicella. The half-life of these antibodies is about 6 weeks, and most children have very low levels beyond age 5 months. [29] However, the varicella vaccine is recommended after age 1 year. A single dose provides protection to approximately 85% of recipients. Vaccine-conferred immunity to varicella wanes over time, making more vaccine recipients susceptible to the disease.


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