HELLO,
HEPATITIS B VACCINE IF TAKEN THREE ONCE IN A YEAR FOR THREE CONSECUTIVE YEARS THAN IT IS EFFECTIVE.
HBsAG TEST ISN'T REQUIRED, ANYWAY
THEIR IS SEPARATE VACCINE FOR HEPATITIS B AND C WHICH ARE FETAL.
Next Steps
AFTER ONE DOSE NO EFFECTS REMIANS SO NO NEED OF TEST FOR HBsAG.