Vaxneuvance (PCV15)
15-valent pneumococcal conjugate vaccine · Merck Sharp & Dohme (MSD)
Prevents
Dosing schedules
2+1 schedule (from 6–12 weeks, 8 weeks apart, booster at 11–15 months)
For: Infants (0–1 year)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Dose 1 (PCV15) | 2 months (earliest 6 weeks) | – |
| Dose 2 (PCV15) | 8 weeks after dose 1 | 56 days |
| Dose 3, booster (PCV15) Booster | 12 months (earliest 11 months) | 60 days |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
3+1 schedule (from 6–12 weeks, 4–8 weeks apart, booster at 11–15 months)
For: Infants (0–1 year)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Dose 1 (PCV15) | 2 months (earliest 6 weeks) | – |
| Dose 2 (PCV15) | 4–8 weeks after dose 1 | 28 days |
| Dose 3 (PCV15) | 4–8 weeks after dose 2 | 28 days |
| Dose 4, booster (PCV15) Booster | 12 months (earliest 11 months) | 60 days |
Also applies to premature babies born before 37 weeks of gestation.
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Catch-up for unvaccinated children aged 7–11 months
For: Infants (0–1 year)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Dose 1 (PCV15) | 7 months | – |
| Dose 2 (PCV15) | At least 4 weeks after dose 1 | 28 days |
| Dose 3, booster (PCV15) Booster | 12 months | 56 days |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Catch-up for unvaccinated children aged 12–23 months
For: Young children (1–3 years)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Dose 1 (PCV15) | 12 months | – |
| Dose 2 (PCV15) | 2 months after dose 1 | 56 days |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
From 2 years, unvaccinated or incompletely vaccinated: 1 dose
For: Preschool children (4–6 years)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Single dose (PCV15) | If a pneumococcal conjugate vaccine was given before, wait at least 2 months | – |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Special precautions
Indicated from 6 weeks of age.
Pregnancy and breastfeeding
Safe during breastfeeding