Hepatitis B vaccine has also been shot to strengthen how long antibody can last

Hepatitis B vaccine generally requires three injections. Most of the population will produce hepatitis B surface antibody after the first injection. Ninety percent of the population will produce hepatitis B surface antibody after three injections. In addition, one month after the third injection, it belongs to the peak of hepatitis B antibody, which can last for about 12 years. Of course, the specific needs to be determined according to individual constitution. It is recommended to check hepatitis B surface antibody every five years.