How long does it take to produce antibodies after the first dose of hepatitis B vaccine

Usually, antibodies will be produced in the body about one week after the first injection of hepatitis B vaccine, but the antibodies produced in the body after the first injection are relatively small. It is generally recommended to check the antibodies in time after injection. If the antibody content is relatively small, it needs to be injected again, and it needs to be injected once six months after injection. A total of three injections are required.