Can second liver vaccine of the 3rd needle hit a week ahead of schedule

Hepatitis B vaccine

is mainly used to prevent hepatitis B virus infection, hepatitis B vaccine injection will produce the corresponding protective antibodies, thus effectively preventing hepatitis B infection, under normal circumstances, hepatitis B vaccine vaccination procedures according to the order of 0, 1, 6, usually after the second shot will appear hepatitis B protective antibodies, the last shot is to strengthen immunity, if there are no special circumstances, it is best to follow the normal process. If the third dose cannot be given on time due to special circumstances, it usually does not cause side effects if it is given one week in advance.