Immunogenicity and Safety Study of 15-Valent Pneumococcal Conjugate Vaccine in 2-month-old and 3-month-old Healthy Volunteers
Conditions
Interventions
- BIOLOGICAL: 15-Valent Pneumococcal Conjugate Vaccine
- BIOLOGICAL: 13-Valent Pneumococcal Conjugate Vaccine
Sponsor
Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd