they received 10 micrograms of the merck sharp & dohme recombinant hb vaccine at time 0 , 2 and 6 weeks ( 27 vaccinees ) or were vaccinated according to the recommended schedule for pre-exposure hb prophylaxis ( 0 , 1 and 6 months ) ( 26 vaccinees ) .
C0062527
recombinant hb vaccine
C0019163
hb