Varicella (Chickenpox) Vaccine Recommendations Originally, ACIP only encouraged one dose of varicella vaccine for youngsters. Why did ACIP later revise its recommendations so as to add a 2nd dose of varicella vaccine for all children? During the 10 yrs next vaccine licensure in 1995, there was an important decline in https://johnm900gnx0.wikistatement.com/user