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相关概念视频

Vaccinations01:51

Vaccinations

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Overview
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Immunological Memory01:23

Immunological Memory

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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...
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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
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Active versus Passive Immunity01:31

Active versus Passive Immunity

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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...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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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...
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Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
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相关实验视频

Updated: Jun 25, 2025

Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen
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Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen

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确定使免疫计划具有弹性的特征:一个范围审查.

Luke Baxter1, Rebeccah Slater1, Lindsay Hermany2

  • 1Department of Paediatrics, University of Oxford, Oxford, UK.

BMJ open
|May 28, 2024
PubMed
概括

COVID-19大流行揭示了疫苗接种计划的弱点,导致疫苗接种率降低和疾病爆发. 本研究确定了弹性免疫计划的关键特征,以告知新评估工具的开发.

关键词:
预防医学是预防医学.公共卫生公共卫生.系统性审查 系统性审查

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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
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科学领域:

  • 公共卫生 公共卫生
  • 卫生系统研究 卫生系统研究
  • 流行病学 流行病学

背景情况:

  • COVID-19大流行暴露了全球免疫计划的重大漏洞,导致疫苗接种覆盖率下降和疫苗可预防疾病的爆发增加.
  • 需要强大而有弹性的免疫计划,能够在危机期间有效运作,这一点至关重要.
  • 目前,没有建立的框架来评估免疫计划的弹性.

研究的目的:

  • 在危机期间对免疫计划进行范围审查,以确定有助于其弹性因素.
  • 为免疫计划弹性工具的开发提供信息.

主要方法:

  • 根据Arksey和O'Malley框架进行了范围审查.
  • 从2011年1月到2023年9月,在多个数据库 (CINAHL,CENTRAL,Embase,Google Scholar,MEDLINE,PsycINFO,Web of Science) 中进行了搜索.
  • 包括和综合了37个经验性,同行评审的关于疫苗接种计划在危机期间的弹性研究.

主要成果:

  • 根据卫生系统弹性指数,确定了弹性免疫计划的五个核心特征:整合,意识,资源可用性和访问,适应性和自我调节.
  • 审查的研究跨越了六大洲,在非洲,亚洲和欧洲有着显著的集中.
  • 在文献中发现了关于免疫计划弹性的几个证据缺口.

结论:

  • 没有现有的工具来评估免疫计划的弹性.
  • 根据卫生系统弹性指数和经验证据得出的鉴定特征,为开发一种新的免疫计划弹性工具提供了基础.
  • 这种工具可以增强免疫计划的承受和从各种危机中恢复的能力.