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Best Answer: It is supposed to last a lifetime. The main benefit of the chickenpox vaccine to individuals is long-lasting immunity to chickenpox.All other common vaccines require a booster dose to maintain immunity.The chickenpox vaccine lasts so long that a booster dose has not yet been recommended, although it probably will be at some time in the future.est Answer: It is supposed to last a lifetime. The main benefit of the chickenpox vaccine to individuals is long-lasting immunity to chickenpox. All other common vaccines require a booster dose to maintain immunity.
The chickenpox vaccine is made from a live, weakened form of the varicella virus. That means the virus is able to produce immunity in the body without causing illness. The most common side effect from the chickenpox vaccine is swelling, soreness, or redness at the site of the injection.