Characteristics and factors of repeated influenza vaccination among elderly individuals in Shanghai, China from 2020 to 2022.

IF 4.1 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Human Vaccines & Immunotherapeutics Pub Date : 2024-12-31 Epub Date: 2024-07-07 DOI:10.1080/21645515.2024.2364480
Deng Niu, Jia Xu, Jingyi Liu, Ruijie Gong, Jianhua Shi, Qiangsong Wu
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Abstract

Elderly individuals face a high risk of hospitalization and death related to influenza, thus prioritizing them for influenza vaccination. Due to variations in the influenza virus and waning protective antibodies, annual influenza vaccination is recommended. However, research on repeated influenza vaccination among elderly individuals in China is limited. From 2020 to 2022, the average influenza vaccination coverage among registered elderly individuals in Shanghai was 4.1%, showing a declining trend over time. In 2020, the rate of repeated influenza vaccination among elderly individuals was 28.35%, which rose to almost two-thirds both in 2021 and 2022. No increased risk of adverse events following immunization was observed after repeated influenza vaccination during this period. Our study also found that elderly individuals with Shanghai household registration, managed by community clinics, and older age tended to receive more doses of repeated influenza vaccination throughout the period from 2020 to 2022. Increasing influenza vaccine coverage among elderly individuals in Shanghai is both urgent and challenging. Health authorities should intensify educational and promotional campaigns to encourage uptake of annual repeated influenza vaccination among elderly individuals.

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2020 至 2022 年中国上海老年人重复接种流感疫苗的特征和因素。
老年人因流感住院和死亡的风险很高,因此应优先为他们接种流感疫苗。由于流感病毒的变异和保护性抗体的减弱,建议每年接种一次流感疫苗。然而,中国对老年人重复接种流感疫苗的研究还很有限。2020 年至 2022 年,上海登记在册的老年人平均流感疫苗接种率为 4.1%,呈逐年下降趋势。2020 年,老年人重复接种流感疫苗的比例为 28.35%,2021 年和 2022 年这一比例均上升至近三分之二。在此期间,没有观察到重复接种流感疫苗后出现不良事件的风险增加。我们的研究还发现,在 2020 年至 2022 年期间,上海户籍、由社区诊所管理以及年龄较大的老年人往往会接种更多剂量的重复流感疫苗。提高上海老年人的流感疫苗接种率既紧迫又具有挑战性。卫生部门应加强教育和宣传活动,鼓励老年人接种年度重复流感疫苗。
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来源期刊
Human Vaccines & Immunotherapeutics
Human Vaccines & Immunotherapeutics BIOTECHNOLOGY & APPLIED MICROBIOLOGY-IMMUNOLOGY
CiteScore
7.90
自引率
8.30%
发文量
489
审稿时长
3-6 weeks
期刊介绍: (formerly Human Vaccines; issn 1554-8619) Vaccine research and development is extending its reach beyond the prevention of bacterial or viral diseases. There are experimental vaccines for immunotherapeutic purposes and for applications outside of infectious diseases, in diverse fields such as cancer, autoimmunity, allergy, Alzheimer’s and addiction. Many of these vaccines and immunotherapeutics should become available in the next two decades, with consequent benefit for human health. Continued advancement in this field will benefit from a forum that can (A) help to promote interest by keeping investigators updated, and (B) enable an exchange of ideas regarding the latest progress in the many topics pertaining to vaccines and immunotherapeutics. Human Vaccines & Immunotherapeutics provides such a forum. It is published monthly in a format that is accessible to a wide international audience in the academic, industrial and public sectors.
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