在感染SARS-CoV-2 Omicron变异后,COVID后恢复速度更快:基于人口的队列研究
Laura Rebecca Pfrommer1, Sophie Diexer1, Bianca Klee1
1Institute for Medical Epidemiology, Biometry and Informatics (IMEBI), Interdisciplinary Centre for Health Sciences, Medical Faculty of the Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.
从后COVID-19状态 (PCC) 恢复因病毒变体而异,对Omicron和Delta变体观察到的恢复速度更快. 然而,大量感染了Omicron的个人仍然经历了长期的PCC症状.
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:
- 后COVID-19状态 (PCC) 是一个重大的全球健康挑战.
- 了解影响PCC恢复的因素对于患者管理和医疗保健规划至关重要.
研究的目的:
- 调查感染前疫苗接种情况与SARS-CoV-2病毒变体之间与COVID-19后病情的恢复之间的关联.
- 在一个大型的德国数字健康队列中确定PCC恢复的预测因素.
主要方法:
- 使用了德国的一项基于人口的队列研究 (DigiHero).
- 患有SARS-CoV-2感染和持续≥12周的症状的个人被归类为PCC.
- 对间隔审查数据的考克斯模型分析了PCC恢复,每隔六个月进行随访.
主要成果:
- 感染后一年的康复率因变种而异:野生型 (26%),阿尔法 (19%),三角型 (36%) 和奥米克朗 (44%).
- 感染前的疫苗接种状态没有显著影响恢复速度.
- 与野生型或阿尔法相比,感染Omicron (HR=2.20) 或Delta (HR=1.69) 变种与更快的PCC恢复有关.
结论:
- 虽然像Omicron和Delta这样的新型变种与更快的PCC恢复有关,但相当一部分受影响的个体仍然面临持续的症状.
- 需要进一步的研究来了解和解决PCC的长期后果,特别是在最近变异的感染中.
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