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Optimal age-specific vaccination control for COVID-19: An Irish case study
Eleni Zavrakli1,2,3, Andrew Parnell1,2,3, David Malone1,2
1Hamilton Institute, Maynooth University, Maynooth, Co. Kildare, Ireland.
Plos One
|September 5, 2023
Summary
This study developed an optimal vaccination strategy for COVID-19, prioritizing older adults while also vaccinating younger individuals to reduce transmission. The findings suggest similar case reductions might be achievable with fewer vaccinations.
Area of Science:
- Epidemiology
- Mathematical Modeling
- Public Health
Background:
- The COVID-19 pandemic, caused by a novel coronavirus, emerged in December 2019, leading to a global health crisis.
- Effective control strategies, including vaccination, are crucial for managing the pandemic and mitigating its impact on healthcare systems.
Purpose of the Study:
- To develop an optimal vaccination control strategy for COVID-19 using a compartmental model.
- To minimize infections and reduce the burden on healthcare systems.
- To analyze vaccination policies in the Republic of Ireland as a case study.
Main Methods:
- A compartmental model was created to simulate COVID-19 transmission dynamics.
- The model incorporated various vaccination stages and was optimized to minimize infections.
- Data from Ireland's COVID-19 Data-Hub was used for simulations under lockdown and looser restriction scenarios.
Main Results:
- The optimal strategy involves prioritizing early vaccination of older populations while also vaccinating younger groups to decrease transmission.
- Simulations compared the proposed strategy against Ireland's actual vaccination policy.
- Results indicate that a similar reduction in COVID-19 cases could potentially be achieved with a reduced number of vaccinations.
Conclusions:
- The proposed optimal vaccination strategy offers a potential method for efficient pandemic control.
- Mathematical modeling provides valuable insights for informing public health vaccination policies.
- The study highlights the importance of targeted vaccination approaches for maximizing public health benefits.
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