在COVID-19大流行期间,社会行为的变化与Mycobacterium tuberculosis的传播有关
Kristin N Nelson1, Paige Harton2, Ted Cohen3
1Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Road, Atlanta, GA, 30322, USA. knbratt@emory.edu.
BMC research notes
|January 24, 2026
概括
在COVID-19大流行期间,结核病例的密切接触显著下降,这表明Mycobacterium结核病传播的减少. 这项研究分析了2019年至2023年间南非的联系数据.
科学领域:
- 流行病学 流行病学
- 传染性疾病 传染性疾病
- 公共卫生 公共卫生
背景情况:
- 结核病 (TB) 的传播是通过来自Mycobacterium tuberculosis (Mtb) 的空气中的液滴发生的.
- 虽然COVID-19大流行导致结核病例通知减少,但对传播和诊断延迟的影响尚不清楚.
- 了解Mtb传播的变化对于公共卫生干预至关重要.
研究的目的:
- 评估COVID-19大流行对Mycobacterium结核病传播的影响.
- 为了区分结核病病例的减少传播和延迟诊断.
主要方法:
- 利用了来自CONTEXT研究的数据,这是南非克瓦祖鲁-纳塔尔 (2019-2023) 的基于人口的横截面研究.
- 招募了新诊断的广泛耐药 (XDR) 或前广泛耐药 (XDR) 结核病病例.
- 收集有关结核病患者的亲密和偶然接触者的信息.
主要成果:
- 从2019年到2020年,近距离接触者数量显著下降36% (p=0.005).
- 偶尔接触的人数下降了30% (p=0.16).
- 调查结果表明,在2020年至2022年期间,Mtb传播的风险在人口水平上显著降低.
结论:
- 接触人数的减少表明,疫情期间Mycobacterium结核病传播的可能性有所下降.
- 这些发现有助于理解大流行对结核病传播动态的影响.
- 数据支持持续监测结核病传播的必要性.
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