How soon after getting the hepatitis A vaccine will I be protected?

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You will not be fully protected against infection until two to four weeks after receiving your first dose of hepatitis A vaccine. If you are exposed to hepatitis A virus before you get vaccinated, or during the window between vaccination and full protection, you can get a special shot that will provide short-term protection. This is called an immunoglobulin shot and it provides protection for three to five months, enough time to get a vaccination for long-term immunity.

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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.