Boostrix (Tdap)
Reduced-antigen diphtheria–tetanus–pertussis vaccine · GlaxoSmithKline (GSK)
Prevents
Dosing schedules
Unvaccinated people or unknown history: 3 doses, then a booster every 10 years
For: Adolescents (9–17 years)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Dose 1 (Boostrix) | People who are unvaccinated or do not remember their primary vaccination history | – |
| Dose 2 (Td/Tdap) | 1 month after dose 1 | 30 days |
| Dose 3 (Td/Tdap) | 5 months after dose 2 | 150 days |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Tdap schedule for pregnant women
For: Women planning pregnancy or pregnant
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Tdap dose in pregnancy Booster | In the second or third trimester of pregnancy | – |
Given in the second or third trimester of pregnancy
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Booster every 10 years for adults
For: Adults (18–59 years)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Tdap booster every 10 years Booster | Booster every 10 years | – Booster every 10 years |
Maintains protective immunity
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 05/10/2026.
Special precautions
Very important for adolescents, adults (booster every 10 years) and pregnant women.
Giving with other vaccines
- Gardasil 9: can be given on the same day. Clinical studies confirm that giving Gardasil 9 and Tdap (Boostrix) at the same time at two different sites does not affect the antibody response to either vaccine, and the rate of side effects is similar.
Pregnancy and breastfeeding
Recommended for pregnant women in the second or third trimester