Hep A vaccine probably needs that second dose to maintain a life long level of protection, since if you only get a first dose, the protection tends to fade after the first year. Experts appearing on this page are independent and are solely responsible for editing and fact-checking their material. Neither The Body nor any sponsor is the publisher or speaker of posted visitors' questions or the experts' material. Questions and messages posted to this forum are not statements of advice,opinion, or information of The Body, Body Health Resources Corporation or any sponsor of this forum. While neither The Body nor Body Health Resources Corporation regularly reviews posted content, we reserve the right to delete, move, or edit postings if we deem it appropriate under the circumstances.
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