bOPV
Bivalent oral polio vaccine (types 1 and 3) · Trung tâm Nghiên cứu Sản xuất Vắc xin & Sinh phẩm Y tế (POLYVAC)
Prevents
Dosing schedules
EPI schedule: 3 oral doses at 2, 3 and 4 months
For: Infants (0–1 year)
| Dose | Age | Minimum interval from previous dose |
|---|---|---|
| Oral dose 1 (bOPV) | 2 months | – |
| Oral dose 2 (bOPV) | 3 months | 28 days |
| Oral dose 3 (bOPV) | 4 months | 28 days |
Source: Recommended vaccination schedules for all ages in Vietnam (2026 edition). Reviewed on 07/10/2026.
Special precautions
Given orally 3 times at 2, 3 and 4 months of age in the Expanded Programme on Immunization.