Hepatitis B 
vaccine (Recombivax HB, Engerix-B); 
Vaccine; Inj: 0.5 mL; 
Recombivax HB: 
 <20 yrs: 5 mcg (0.5 mL) IM 
 >20 yrs: 10 mcg (1mL) IM 
 Immunosuppressed adults or adults receiving hemodialysis: 40 mcg (1 mL) IM  
Engerix B: 
 <20 yrs: 10 mcg (0.5 mL) IM 
 >20 yrs: 20 mcg (1mL) IM 
 Immunosuppressed adults or adults receiving hemodialysis: 40 mcg (2 mL) IM