Bài viết trình bày mô tả thực trạng tiêm chủng mở rộng đầy đủ, đúng lịch ở trẻ dưới 12 tháng tuổi tại phường Quan Triều, thành phố Thái Nguyên năm 2020. Nghiên cứu được tiến hành theo phương pháp mô tả, thiết kế cắt ngang trên 105 trẻ thông qua phỏng vấn trực tiếp người nuôi dưỡng chính và sổ tiêm chủng. | Journal of Community Medicine Vol 62 No 4 2021 147-152 INSTITUTE OF COMMUNITY HEALTH THE STATUS OF FULL AND ON- SCHEDULE VACCINATION WITH 8 TYPES OF VACCINES AMONG CHILDREN UNDER 1 YEAR OLD AT QUAN TRIEU WARD THAI NGUYEN CITY Tran Thi Phuong Minh Le Thi Thanh Hoa Nguyen Thi Sau Thai Nguyen University of Medicine and Pharmacy Received 02 04 2021 Revised 09 04 2021 Accepted 16 04 2021 ABSTRACT Vaccination is one of the greatest achievements of modern medicine. The expanded program on immunization has significantly reduced the morbidity and the mortality of children under 5 years old caused by infectious diseases. Alongside the achievements of the expanded program on immunization in recent years some diseases that had vaccines still outbroke in some locals. To improve the efficiency of the vaccination program we conduct this study with this following target To describe the status of full and on schedule vaccination with 8 types of vaccines among children under 1 year old at Quan Trieu Ward Thai Nguyen City. Research subjects and methods The descriptive cross- sectional study was conducted among 105 children by immediately interviewing the major caregivers and checking the vaccination records. Research results The complete vaccination coverage for each vaccine Hepatitis B 99 TB 100 DPT-Hib 99 polio 99 and measles 100 . The rates of on-schedule vaccination for each type of vaccines are Hepatitis B TB DPT-Hib polio and measles . The complete vaccination coverage of 8 types of vaccines is 99 whilst the on-schedule vaccination rate of 8 types of vaccines is only . Keywords The expanded program on immunization full vaccination on schedule vaccination vaccines children under 1 year old. Corressponding author Email address linhtrang249@ Phone number 84 912 868 111 https 147 T. T. P. Minh et al. Journal of Community Medicine Vol 62 No 4 2021 147-152 THỰC TRẠNG TIÊM CHỦNG MỞ RỘNG ĐẦY ĐỦ ĐÚNG LỊCH Ở TRẺ DƯỚI