How long does the hepatitis A vaccine last?

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You can expect the hepatitis A vaccine to provide protection against infection for at least 20 years. If you cannot remember when you were last vaccinated, your doctor can help determine if you are still protected. A blood test can check for the presence of hepatitis A antibodies in your system, and with that information you and your doctor can decide if you need another vaccination.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.