Hepatitis B vaccine has two shots antibody

Hepatitis B vaccine clinical generally need to inject three needles to be able to produce enough antibodies, but because each person's constitution is different, there are also a small number of people vaccinated two needles hepatitis B vaccine after the body appears hepatitis B antibody. Suggestions: you can go to the local hospital liver disease department, carry out hepatitis B two half check, check whether to produce antibodies.