公共卫生 公共卫生
1Florida State University, Tallahassee, FL, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
随着时间的推移,阿尔茨海默病和相关痴呆症 (ADRD) 和轻度认知障碍 (MCI) 患者的COVID-19疫苗的有效性显著下降. 补充剂注射对于维持这些脆弱人群的保护至关重要.
科学领域:
- 免疫学和传染病的研究
- 神经科学和神经病学 神经科学和神经病学
- 公共卫生和流行病学
背景情况:
- 患有阿尔茨海默氏症和相关痴呆症 (ADRD) 和轻度认知障碍 (MCI) 的人面临更高的COVID-19严重结果的风险.
- 预防措施遵守和慢性疾病管理方面的挑战进一步增加了ADRD/MCI人群的风险.
- 随着时间的推移,疫苗的有效性逐渐下降,因此需要持续制定战略,以保持对SARS-CoV-2的保护.
研究的目的:
- 评估COVID-19疫苗的有效性和患有ADRD/MCI的个体的免疫持续时间.
- 确定影响疫苗有效性的人口和临床因素,在这个脆弱群体.
- 为公共卫生战略提供信息,以优化ADRD/MCI患者的保护.
主要方法:
- 使用来自我们所有研究人员工作台 (2020年12月 - 2022年7月) 的数据进行了回顾性横截面研究.
- 提取了人口统计,健康的社会决定因素和电子健康记录 (EHR) 数据,包括COVID-19疫苗接种细节.
- 通过分析从第二剂疫苗接种到报告的SARS-CoV-2感染的时间来评估疫苗的有效性.
主要成果:
- 与非西班牙裔白人相比,在患有ADRD/MCI的黑人和非洲裔美国人中观察到较低的全面接种率.
- 在ADRD/MCI患者中,疫苗的有效性显著下降,从96.7%在2周后降至76.4%在6个月后和54.2%在接种疫苗后1.5年.
- 在老年人 (65岁以上) 和患有多种慢性疾病的人群中,疫苗有效性下降的程度更大.
结论:
- 慢性疾病,特别是ADRD/MCI,影响COVID-19疫苗的有效性,突出需要量身定制的策略.
- 促进及时接种疫苗增强剂对于维持对脆弱人群中目前流传的SARS-CoV-2变种的保护至关重要.
- 公共卫生倡议应专注于增加ADRD/MCI患者的增强剂吸收,以获得公平有效的COVID-19预防.
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