- Start time
- 12 June 2018
- End time
- 20 September 2018
- number of participants
- 240
- title
- A Randomized, Double-blind, Controlled Clinical Trial to Evaluate the Immunogenicity and Safety of Sabin Inactivated Poliovirus Vaccine (Vero Cell) in a '2+1'Sequential Schedule With Bivalent Oral Poliovirus Vaccine in 2-month-old Infants