Vaccination

Vaccination Against Hepatitis A and B

Safe and effective vaccinations to prevent the spread of hepatitis A (HAV) and hepatitis B (HBV) have been used for over 20 years. Although there is no vaccine for hepatitis C (HCV), persons living with HCV should also be vaccinated against HAV and HBV to prevent further harm to their livers.

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Who should get vaccinated?

Vaccinations against HAV and HBV are given routinely to all children, and to adults who did not receive these vaccines as children and who are at high risk of exposure.

Check CDC's criteria to see who is at high risk for these infections

HAV

HBV

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How is the vaccination given?

There are two options for the HAV vaccine. People can receive it as a 2 dose series or in a three dose vaccine that immunizes against both HAV and HBV for adults over 18. HBV is typically a 3 dose series although there is a new 2 dose vaccine approved.

See vaccine dosing schedules

HAV: Child and Adolescent, Adults

HBV: Infants and Children, Adults

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Are the vaccines safe and effective?

There have been no serious side effects reported for HAV or HBV vaccines. Soreness at the site of injection is the most common side effect. Vaccination against HAV and HBV gives lifelong immunity against both viruses.

For complete details on vaccines

HAV

HBV

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I think I have been exposed. What should I do?

HAV:

A single shot of the HAV vaccine can prevent infection if given within 2 weeks of exposure. Your provider may also recommend immune globulin (protective antibodies) depending on your age and health.

More information on exposure from the CDC

HBV:

Infection from HBV can be prevented by the vaccine. Additionally, some people may also need a dose of HBIG, which stands for “hepatitis B immune globulin.

More information on exposure from the CDC

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Why does my newborn need a HBV vaccine?

Nearly all newborns exposed to HBV developed chronic and lifelong HBV. Since HBV infection does not always cause symptoms, vaccination protects newborns unknowingly exposed during the birthing process.

Information on HBV newborn vaccination

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What do I need to know as a healthcare provider?

For information on vaccination candidacy, safety during pregnancy, vaccine schedules and postexposure prophylaxis, click to navigate to CDC's provider resource page.

HAV

HBV