Hepatitis Home > Hepatitis A Vaccine

The hepatitis A vaccine can protect against the virus for at least 20 years. It consists of two injections, given several months apart. Children can get the vaccine after 1 year of age (it is recommended between 12 and 24 months of age). People who should get the vaccine include travelers to developing countries with high rates of hepatitis A and users of illegal drugs.

What Is the Hepatitis A Vaccine?

A vaccine is a drug that you take when you are healthy that keeps you from getting sick. Vaccines teach your body to attack certain viruses, like the hepatitis A virus.
The hepatitis A vaccine is given through a shot. It is approved for use in children (age 1 year and older), teens, and adults.
For Havrix®, the second dose is given 6 to 12 months after the first dose. For Vaqta®, the second dose is given 6 to 18 months after the first.

Who Should Get the Vaccine?

The following people should get the hepatitis A vaccine as a routine vaccination:
  • Almost all children between 12 and 24 months of age
  • Children living in areas with high incidence rates of hepatitis A (above the national average) -- check with your health department to see if this applies to your area
  • Travelers to developing countries with high rates of hepatitis A, including Mexico
  • Men who have sex with men
  • Users of illegal drugs
  • People who work with hepatitis A virus in research settings
  • People who work with infected non-human primates
  • Recipients of clotting factor concentrates
  • People with chronic liver disease (because of the risk of fulminant hepatitis A).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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