How can a hepatitis A vaccine protect me if I've been exposed to the virus?

The hepatitis A vaccine administered alone may be protective if you've been exposed to the virus. But, further protection is provided by also administering immune serum globulin. These strategies are most effective within the first two weeks after exposure.

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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.