BCG
Tuberculosis vaccine · Viện Vắc xin và Sinh phẩm Y tế (IVAC)
Prevents
Dosing schedules
Standard newborn schedule
For: Infants (0–1 year)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| BCG birth dose | 1 day (earliest at birth) | – |
Intradermal injection as soon as possible after birth, within 1 month. Unvaccinated children receive 1 dose as soon as possible before 12 months of age.
Source: EPI schedule under Circular 52/2025/TT-BYT, Article 1 (no longer in force from 01/07/2026 under Circular 13/2026/TT-BYT; used for reference until professional guidance from the Department of Disease Prevention is issued). Reviewed on 07/10/2026.
Special precautions
Give as soon as possible after birth (within 30 days). A characteristic shallow scar forms 2–5 months after vaccination.
Reactions after vaccination and what to do
Red papule and small ulcer that heals by itself, leaving a shallow scar Common
Onset: From 2 weeks after vaccination · Lasts: 2–5 months
Home care: This is the normal reaction through which BCG builds immunity. Keep the site clean and dry, do not squeeze out pus and do not apply any medicine. The BCG scar is a sign that immunity has developed.
Go to a health facility immediately if: A swollen armpit lymph node larger than 1.5 cm with pus that bursts and keeps draining, or a deep, spreading ulcer that does not heal.
Pregnancy and breastfeeding
Breastfeeding can continue