Adacel (Tdap)
Sanofi reduced-antigen diphtheria–tetanus–pertussis vaccine · Sanofi Pasteur
Prevents
Dosing schedules
Booster at 4–6 years
For: Preschool children (4–6 years)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Booster (Adacel) Booster | 4 years | – |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Pregnant women: 1 dose in the second or third trimester
For: Women planning pregnancy or pregnant
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Tdap dose in pregnancy (Adacel) Booster | In the second or third trimester of pregnancy | – |
Passive protection against neonatal tetanus and pertussis in the first months of life.
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Special precautions
Indicated for people aged 4 to 64 years.
Pregnancy and breastfeeding
Given in the second or third trimester of pregnancy