A multicenter, rater-blinded, randomized, active-controlled, parallel-assignment study to confirm the safety and immunogenicity of vaccination of KD2-396(L) and KD2-396(H) and to examine the optimal dose of hepatitis b virus surface antigen (hereafter HBsAg) in infants aged >=2 months to < 6 months at the time of the first vaccination
A multicenter, open-label, uncontrolled study to confirm the safety and immunogenicity of single intramuscular dose of KD2-396 in infants who have completed three doses of DPT-IPV, freeze-dried Haemophilus b vaccine (hereafter Hib vaccine) and hepatitis B vaccine