The hepatitis B vaccine is not free for adults and is administered at a local community, vaccination station, or hospital that specializes in providing the vaccine. The hepatitis B vaccine is administered three times at 0, 1, and 6 months of age. Before you get the hepatitis B vaccine, you first need to know if you have hepatitis B antibodies. The most common test for hepatitis B antibodies is the hepatitis B five-item test, which is also known as the hepatitis B two-and-a-half. Hepatitis B antibodies are mainly reflected in the hepatitis B surface antibody. If the hepatitis B surface antibody (+) is present, it is defined as having antibodies, and if it is a titer test, depending on the titer, you can also choose to get a booster shot or be re-vaccinated. For patients with hepatitis, hepatitis B vaccination is no longer recommended.