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Related Concept Videos

Vaccinations01:51

Vaccinations

Overview
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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,...
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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 disorders...
Development of Immunocompetence01:22

Development of Immunocompetence

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...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
Active versus Passive Immunity01:31

Active versus Passive Immunity

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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Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen
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Immunization in special populations.

Michael A Miller1, Mobeen H Rathore

  • 1Department of Pediatric Infectious Diseases and Immunology, University of Florida, Jacksonville, 32209, USA.

Advances in Pediatrics
|July 14, 2012
PubMed
Summary

Special populations need tailored immunization strategies due to unique immune responses and infection risks. Further research is crucial for vaccine timing, efficacy, and revaccination protocols in these groups.

Area of Science:

  • Immunology
  • Vaccinology
  • Public Health

Background:

  • Special populations, including transplant recipients and individuals with HIV, present unique challenges for immunization.
  • Understanding the interplay between underlying diseases and immune response is critical for effective vaccination.
  • Current vaccination guidelines may not fully address the complexities of these patient groups.

Purpose of the Study:

  • To highlight the need for specialized approaches to immunizations in special populations.
  • To identify key research gaps in vaccine administration and efficacy for these groups.
  • To emphasize the importance of understanding immune responses in immunocompromised individuals.

Main Methods:

  • Review of existing literature on immunizations in special populations.

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  • Analysis of factors influencing vaccine efficacy and antibody response.
  • Identification of areas requiring further clinical investigation and data collection.

    • Main Results:

    • Immunizations in special populations necessitate a deep understanding of disease-specific immune alterations.
    • Significant knowledge gaps exist regarding optimal vaccine timing post-transplant and methods to assess protective antibody responses.
    • Efficacy data for newer vaccines in these populations are limited, warranting further study.

    Conclusions:

    • Tailored immunization strategies are essential for special populations to mitigate infection risks and optimize vaccine effectiveness.
    • Further research is imperative to establish evidence-based guidelines for vaccine timing, efficacy assessment, and revaccination schedules.
    • Addressing these research needs will improve vaccine-induced protection and health outcomes in vulnerable patient groups.