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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 a shot that can protect nearly anyone who receives the vaccine from catching chickenpox. It's also called the varicella vaccine, because chickenpox is caused by the varicella-zoster virus. The vaccine is made from a live but weakened, or attenuated, virus.