Trends analysis of first-dose influenza vaccination coverages among teachers and students in Shandong Province, 2015-2024

LUAN Guijie; LIU Yao; LIU Shaonan; SUN Huifeng; ZHANG Weiyan; SUN Liang

doi:10.16835/j.cnki.1000-9817.2025154

Volume 46 Issue 5

May 2025

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LUAN Guijie, LIU Yao, LIU Shaonan, SUN Huifeng, ZHANG Weiyan, SUN Liang. Trends analysis of first-dose influenza vaccination coverages among teachers and students in Shandong Province, 2015-2024[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(5): 741-745. doi: 10.16835/j.cnki.1000-9817.2025154

Citation:

LUAN Guijie, LIU Yao, LIU Shaonan, SUN Huifeng, ZHANG Weiyan, SUN Liang. Trends analysis of first-dose influenza vaccination coverages among teachers and students in Shandong Province, 2015-2024[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(5): 741-745. doi: 10.16835/j.cnki.1000-9817.2025154

Citation:

LUAN Guijie, LIU Yao, LIU Shaonan, SUN Huifeng, ZHANG Weiyan, SUN Liang. Trends analysis of first-dose influenza vaccination coverages among teachers and students in Shandong Province, 2015-2024[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(5): 741-745. doi: 10.16835/j.cnki.1000-9817.2025154

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Trends analysis of first-dose influenza vaccination coverages among teachers and students in Shandong Province, 2015-2024

doi: 10.16835/j.cnki.1000-9817.2025154

1.
Institute for Immunization Management, Shandong Center for Disease Control and Prevention, Jinan (250014), Shandong Province, China

Received Date: 2025-03-04
Rev Recd Date: 2025-03-18

Available Online: 2025-06-07

Publish Date: 2025-05-25

Abstract

Abstract

Objective To analyze the institutional and regional differences in influenza vaccination for teachers and students, so as to provide a basis for influenza prevention and control in campus. Methods Influenza vaccination data for teachers and students in Shandong Province from 2015 to 2024 were collected from Immunization Information Systems. Joinpoint regression models were used to calculate the annual percent change (APC) and average annual percent change (AAPC) in first-dose vaccination rates. Results The vaccination coverages for the first dose of influenza vaccine among teachers in Shandong Province from 2015 to 2024 were 0.01%, 0.02%, 0.15%, 0.29%, 0.60%, 2.06%, 1.64%, 2.27%, 3.00%, and 2.43%, with a turning point in 2020. For preschools, primary/secondary schools, and higher education institutions, APCs during 2015-2020 were 163.36%, 162.09%, and 174.94%, respectively(P < 0.01), declining to 9.53%, 9.92%, and 8.14% during 2020-2024(P>0.05). Corresponding AAPCs were 78.32%, 78.13%, and 81.61%(P < 0.01). High, middle, and low GDP regions exhibited APCs of 173.84%, 162.75%, and 136.67% during 2015-2020(P < 0.01) and 5.77%, 13.92%, and 11.86% during 2020-2024(P>0.05), with AAPCs of 79.42%, 81.23%, and 69.63%(P < 0.01), respectively. Among students, vaccination coverage ranged from 1.59% to 7.20%. Preschool students showed no turning points, with an AAPC of 18.73%(P < 0.01). Primary/secondary students had turning points in 2018 and 2022, APCs were -32.59% during 2015-2018(P < 0.01), 48.45% during 2018-2022(P < 0.01), and -26.25% during 2022-2024(P=0.04), yielding an AAPC of -2.32%(P=0.45). Higher education students had a turning point in 2020, with APCs of 63.27% during 2015-2020(P < 0.01) and 4.31% during 2020-2024 (P=0.77), and the AAPC was 33.79% during 2015-2024 (P < 0.01). High, middle, and low GDP regions for students showed no turning points, with AAPCs of 10.46%(P=0.18), 13.67%(P=0.01), and 10.42%(P=0.05), respectively. Conclusions The influenza vaccination rate among teachers and students in Shandong Province has shown an upward trend from 2015 to 2024, but the overall level is still relatively low. However, continued efforts are needed to enhance health education on influenza and vaccination, to further improve the vaccination rate of teachers and students.
- Influenza vaccines,
- Vaccination,
- Regression analysis,
- Students

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References(15)

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