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A 18-year-old female asked:

How long does a rabies booster last for protection? and how long does a post exposure last cause i've heard it doesn't last as long as a pre exposure

1 doctor answer1 doctor weighed in
Dr. Brad Goldenberg
Neonatology 37 years experience
1-5 years : Boosters vary in efficacy by type, the most effective can last 3-5 years, but most need to be boosted yearly. Check with

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Last updated May 20, 2018


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