Related Experiment Video
Updated: Dec 31, 2025
15:57
Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
Published on: July 11, 2015
12.6K
Summary
Herd immunity, or community immunity, occurs when vaccines protect vaccinated individuals and prevent disease transmission. This indirect protection shields unvaccinated individuals by limiting the spread of illness in the community.
Area of Science:
- Epidemiology
- Public Health
- Immunology
Background:
- Herd immunity is a critical concept in infectious disease control.
- Understanding community immunity is essential for vaccination strategies.
Purpose of the Study:
- To explain the fundamental principle of herd immunity.
- To highlight the protective benefits of vaccination beyond the individual.
Main Methods:
- This study is a conceptual explanation of herd immunity.
- It defines herd immunity using accessible language.
Main Results:
- Vaccination confers individual protection.
- Vaccinated individuals indirectly protect those without immunity by reducing disease spread.
Conclusions:
- Herd immunity is achieved when a sufficient proportion of a population is immune.
- Widespread vaccination is key to establishing and maintaining community immunity.
More Related Videos
Related Concept Videos
01:23Immunological Memory
14.7K
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...
14.7K
01:31Active versus Passive Immunity
9.7K
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...
9.7K
01:22Development of Immunocompetence
702
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
702
01:51Vaccinations
51.0K
Overview
51.0K
01:25Immunodeficiency Diseases
1.8K
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...
There are three main causes of immunodeficiency...
1.8K
01:29Immune Response Against Viral Pathogens
1.6K
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
1.6K