About common post-vaccination response: local reactions (swelling, heat, red pain at the injection site), fever <39oC even in extended vaccination.

Regarding serious complications after vaccination: In the first quarter of 2019, the whole country recorded 15 cases of serious complications after vaccination in the expanded vaccination and there were no serious complications after vaccination during vaccination. service strains.

Figure 1: Serious complications after vaccination by province, city

Severe complications after vaccination against IDU were recorded in 8 provinces and cities, including Son La (02), Hanoi (02), Lai Chau (01), Gia Lai (01), Quang Ngai (03), Binh Dinh (04), Vinh Long (01), Ba Ria - Vung Tau (01).

Table 1. Serious complications after vaccination by vaccine type

Regarding the type of vaccine used: in 15 cases of severe complications after vaccination recorded:

- 13 cases of serious complications after ComBE Five vaccination (8 cases after ComBE Five - OPV vaccination and 5 cases after ComBE Five vaccination) out of a total of 594,586 doses of ComBE Five vaccine, 857,674 doses of vaccine OPV used.

- 02 cases of serious complications after BCG vaccination out of a total of 371,535 doses of BCG vaccine used.

Figure 2. Rate of major complications after vaccination by cause

These cases have been evaluated and concluded by the Professional Advisory Council for Critical Incidents in the process of using vaccines and medical bio-products at the provincial level to evaluate and conclude, and record 05 cases due to coincidence with pathology. of children (33.3%) and 09 cases of anaphylaxis / anaphylaxis after vaccination (60%), 01 case of unknown cause (6.7%). All severe complications are vaccinated according to the correct procedures.

Department of Preventive Medicine, Ministry of Health

Admin