Varicella Vaccine — Are Two Doses Better Than One?

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Abstract
The live attenuated varicella vaccine was approved by the Food and Drug Administration in 1995 for routine use in healthy persons older than one year of age who are susceptible to varicella. Children are given one dose of vaccine; two doses one to two months apart are given to persons older than 13 years of age. Acceptance of the vaccine in young children has been excellent; currently, more than 75 percent of appropriate children are immunized in the United States. The goal of the Centers for Disease Control and Prevention of reaching more than 90 percent of children less than . . .