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Vaccinated for hepatitis B. Should I take it once again?
Brief Answer: Hi Detailed Answer: Hi Thanks for posting your query on XXXXXXX Once vaccination for Hepatitis B is done, the protection lasts for atleast 20 years and mostly it is lifelong. Thus the repeat vaccination is not necessary. Let me know if I can assist you further. Dr Vaishalee
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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