需要适当的抽样和长期随访,以严格评估接种疫苗后幽默记忆的寿命
Vitaly V Ganusov1,2,3
1Department of Microbiology, University of Tennessee, Knoxville, TN, USA.
medRxiv : the preprint server for health sciences
|July 10, 2023
概括
评估长期疫苗免疫力需要仔细分析. 接种COVID-19疫苗后的短期抗体水平监测可能无法准确预测保护的持续时间,这表明需要改进评估方法.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 传染性疾病 传染性疾病
背景情况:
- 疫苗的目的是建立长期免疫力,但评估保护持续时间是具有挑战性的.
- 快速公布的需求可能与长期免疫评估所需的广泛后续行动相冲突.
- 之前对COVID-19疫苗增强剂的研究可能在预测长期免疫力方面存在局限性,原因是随访时间短.
研究的目的:
- 批判性地评估评估疫苗诱导免疫持续时间的方法.
- 为了证明短期抗体水平监测对预测长期保护的局限性.
- 倡导改进的方法,包括数学建模,以评估接种疫苗后的幽默免疫持续时间.
主要方法:
- 在接种mRNACOVID-19疫苗第三或第四剂量的人群中,在接种疫苗后6个月内分析抗体 (Ab) 水平.
- 利用从长期献血者队列中获取的数据,在疫苗病毒 (VV) 重复接种疫苗后,在接种疫苗病毒 (VV) 重复接种疫苗后进行了多年的跟踪.
- 应用数学建模来分析抗体衰变动力学和优化采样时间表.
主要成果:
- 对SARS-CoV-2特异性抗体水平的短期 (长达6个月) 监测显示,第三次和第四次疫苗剂量之间的衰变率相似.
- 长期队列中的疫苗病毒特异性抗体水平在重新接种疫苗后表现出双相衰变.
- 增强后抗体的晚期衰变率超过了已建立的幽默记忆的真正缓慢损失率.
结论:
- 接种COVID-19疫苗后的短期抗体水平测量可能不足以准确确定免疫的长期持续时间.
- 双相抗体衰变,包括晚期,凸显了在增强后评估幽默记忆的复杂性.
- 数学建模对于优化研究设计和提供长期疫苗诱导免疫力的可靠预测至关重要.
相关概念视频
Immunological Memory
680
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
680
Vaccinations
44.8K
Overview
44.8K
Humoral Immune Responses
73.1K
Overview
73.1K
Cells of the Adaptive Immune Response
1.0K
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
1.0K
Active versus Passive Immunity
706
Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
Active Immunity
Active immunity refers to the resistance one develops...
706


