Hepatitis B is a serious liver disease, which is very harmful to the human body. After suffering from hepatitis B, there is no special medicine, and it can only be controlled by taking medicine. If you want to avoid the harm of hepatitis B, the best way is to get hepatitis B vaccine. So, how long does it take to produce antibodies after the hepatitis B vaccine?
After the human body is injected with hepatitis B vaccine, the body begins to produce antibodies, but In the early stage, the number of antibodies is very small, so it is difficult to be detected. Generally speaking, one and a half months after the injection of the vaccine, everyone can detect the hepatitis B surface antibody positive, which can indicate the presence of hepatitis B antibody in the human body.
Because everyone’s physique and physical After the vaccine, there will be some differences in the time of antibody production. Hepatitis B vaccine requires three injections. After the first shot of effective vaccine, about 30% of people can produce antibodies, and after two injections, about 60%-70% of people can produce antibodies.
After completing the three-shot full vaccination, more than 90% of people can develop antibodies. Everyone should go to the hospital for a two and a half hepatitis B test two months after all three shots of hepatitis B vaccine have been given. If the hepatitis B antibody is not found during the examination, you will need to re-inject the hepatitis B vaccine.