Group | Primary (1st, 2nd) vaccine | Booster vaccine |
---|---|---|
Negative control | Saline | Saline |
Positive control | DTaP from GC pharma | Commercially available Tdap |
GC3111 | DTaP from GC pharma | GC3111 Tdap produced in 2010 |
Enhanced GC3111 | DTaP from GC pharma | GC3111 Tdap FHA enhanced |