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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.
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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.
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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.
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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Immunodeficiency Diseases01:25

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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.
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How to increase and maintain high immunization coverage: Vaccination Demand Resilience (VDR) framework.

Sachiko Ozawa1, Holly B Schuh2, Tomoka Nakamura3

  • 1Practice Advancement and Clinical Education, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Maternal Child Health, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.

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|October 5, 2023
PubMed
Summary

Building vaccination resilience is crucial. The Vaccination Demand Resilience (VDR) framework helps understand complex demand, guiding interventions to sustain vaccine confidence and prevent diseases.

Keywords:
ConfidenceCoverageHesitancyImmunizationResilienceVaccine

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Area of Science:

  • Public Health
  • Health Policy
  • Behavioral Science

Background:

  • The COVID-19 pandemic highlighted the critical role of vaccines in public health.
  • Declining demand for COVID-19 vaccines and routine immunizations globally necessitates strategies to build vaccination resilience.
  • Vaccination demand is complex, influenced by intertwined, fluid, and contextual dimensions.

Purpose of the Study:

  • To introduce the Vaccination Demand Resilience (VDR) framework.
  • To provide a structured approach for understanding and enhancing vaccination demand and resilience.
  • To guide the development of targeted interventions for improving vaccination uptake.

Main Methods:

  • Developed the VDR framework through a comprehensive literature review and expert consultation.
  • Utilized a matrix framework with three axes: attitudes/beliefs, seeking behavior, and vaccination status.
  • Defined eight quadrants to categorize levels of vaccination demand and resilience, with illustrative scenarios.

Main Results:

  • Identified potential incongruence between vaccination attitudes, behaviors, and status.
  • Demonstrated how interventions like information campaigns, incentives, and provider communication can address incongruence.
  • Showcased how interventions can shift individuals across VDR quadrants to enhance resilience.

Conclusions:

  • Vaccination decision-making is complex, with potential disconnects threatening demand resilience.
  • The VDR framework offers a valuable tool for policymakers and program managers to design effective interventions.
  • Strengthening vaccination resilience is key to sustaining confidence and preventing vaccine-preventable diseases.