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How long does vaccine protection last? Will a booster shot be needed?

April 26, 2017booster needed shot vaccine

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How long does vaccine protection last? Will a booster shot be needed?

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The length of vaccine protection (immunity) is usually not known when a vaccine is first introduced. So far, studies have found that vaccinated persons are protected for five years. More research is being done to find out how long protection will last, and if a booster dose of vaccine will be needed.