How long is the interval between three shots of hepatitis B vaccine?

Hepatitis B vaccine injection is generally divided into three doses. After the first injection, the second injection needs to be injected at an interval of one month, and the third injection needs to be separated from the second injection by five months. After the injection of hepatitis B vaccine, the patient should also complete the hepatitis B surface antibody test. If it is positive, it indicates that the immunization is successful.