Hepatitis A Vaccinations

Posted on November 3, 2006 by Hepatitis A Lawyer

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How long does hepatitis A vaccine protect you?
A recent review by an expert panel concluded that estimates of antibody persistence derived from kinetic models of antibody decline indicate that protective levels of anti-HAV could be present for at least 25 years in adults and at least 14-20 years in children.

When are persons protected after receiving hepatitis A vaccine?
Protection against hepatitis A begins four weeks after the first dose of hepatitis A vaccine.

Can hepatitis A vaccine be given after exposure to hepatitis A virus?
No, hepatitis A vaccine is not licensed for use after exposure to hepatitis A virus. In this situation, immune globulin should be used. 

vaccination needle

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