A Study to Evaluate Safety and Immunogenicity of Sequential Vaccination of Sabin Inactivated Poliomyelitis Vaccine (Vero Cell) and Live Attenuated Poliomyelitis Vaccine in Healthy 2-month-old Infants
Conditions
Interventions
- BIOLOGICAL: sIPV+bOPV
- BIOLOGICAL: wIPV+bOPV
Sponsor
Beijing Minhai Biotechnology Co., Ltd