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Updated: May 16, 2026
12:54
Determination of Vaccine Immunogenicity Using Bovine Monocyte-Derived Dendritic Cells
Published on: May 19, 2023
Self-boosting vaccines and their implications for herd immunity.
Nimalan Arinaminpathy1, Jennie S Lavine, Bryan T Grenfell
1Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. nimpathy@princeton.edu
Summary
Emerging self-boosting vaccines offer new ways to achieve long-term herd immunity against infectious diseases. However, high boosting rates may inadvertently increase disease burden in unvaccinated populations.
Area of Science:
- Immunology and vaccinology
- Mathematical modeling of infectious diseases
- Public health and epidemiology
Background:
- Vaccine technology has historically controlled infectious diseases.
- Current vaccines may offer short-lived protection, limiting herd immunity.
- Mass vaccination can sometimes increase severe disease by reducing natural boosting.
Purpose of the Study:
- To explore the population-level effects of self-boosting vaccines.
- To assess their potential role in overcoming limitations of current vaccines.
- To identify potential unintended consequences of novel vaccine strategies.
Main Methods:
- Utilized mathematical modeling to simulate vaccine dynamics.
- Investigated scenarios with short-lived vaccine-induced immunity.
- Analyzed the impact of intermittent antigen presentation via viral vectors.
Main Results:
- Self-boosting vaccines can broaden the duration of herd immunity.
- Intermediate boosting rates mitigate counterproductive effects of mass vaccination.
- High boosting rates may increase disease burden on the unvaccinated.
Conclusions:
- Self-boosting vaccines present novel opportunities for infectious disease control.
- Careful consideration of boosting rates is crucial to avoid unintended consequences.
- Further research and data are needed to optimize self-boosting vaccine strategies.
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