Varicella virus vaccine, live was licensed for the active immunization of persons 12 months of age and older
On Mar. 17, 1995, the varicella virus vaccine, live (Varivax by Merck) was licensed for the active immunization of persons 12 months of age and older.
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Source: U.S. Centers for Disease Control and Prevention
Credit: PDF: Pinkbook Varicella.
