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Related Concept Videos

Vaccinations01:51

Vaccinations

Overview
Vaccines01:21

Vaccines

Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
Smallpox01:24

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Vaccine Production01:23

Vaccine Production

Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...
Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...

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Related Experiment Video

Updated: Jun 6, 2026

Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
08:52

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Published on: February 22, 2019

The value of vaccination.

David E Bloom1

  • 1Harvard School of Public Health, Boston, USA. dbloom@hsph.harvard.edu

Advances in Experimental Medicine and Biology
|December 2, 2010
PubMed
Summary

Investing in childhood vaccination programs boosts national economic growth and reduces poverty. This economic perspective reveals significant returns on immunization investments beyond traditional health benefits.

Area of Science:

  • Public Health Economics
  • Health Policy Analysis
  • Socioeconomic Impact Assessment

Background:

  • Vaccination programs are traditionally evaluated for health outcomes (morbidity, mortality).
  • A broader economic perspective is needed to understand the full impact of vaccination.
  • National economic aims can be significantly influenced by public health interventions like vaccination.

Purpose of the Study:

  • To present an economic perspective on vaccination programs.
  • To highlight the link between vaccination and national economic growth and poverty reduction.
  • To demonstrate the substantial economic returns on investments in immunization.

Main Methods:

  • Review of recent research linking population health to economic well-being.

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  • Analysis of economic benefits derived from improved health outcomes.
  • Examination of investment returns in national immunization programs.

    • Main Results:

    • National spending on childhood vaccination demonstrably reduces morbidity and mortality.
    • Vaccination programs are shown to promote national economic growth.
    • Significant poverty reduction is associated with childhood vaccination initiatives.
    • Economic returns on immunization investments exceed those captured by traditional analyses.

    Conclusions:

    • Vaccination is a critical driver of national economic prosperity.
    • Understanding the economic benefits transforms the perceived value of vaccination.
    • Investment in immunization programs yields high returns, contributing to economic development and poverty alleviation.