Hepatitis B vaccine can be delayed the second shot

The second dose of hepatitis B vaccine can be postponed, but not delayed too long.

The first and second doses of hepatitis B vaccine need to be separated by about one month. If there is no time, the second dose can be delayed by about 1-2 weeks. This time has little impact on the formation of antibodies. Therefore, it is best to vaccinate hepatitis B vaccine according to the whole time, do not delay too long, so that the impact on the vaccine effect is small, the number of antibody production is ideal, and the protection against hepatitis B virus in the future is better.