Attitudinal Analysis of Vaccination Effects: Egoism vs Altruism-Reference-Cited by-同舟云学术

Attitudinal Analysis of Vaccination Effects: Egoism vs Altruism

Published:2022-11-07 Issue: Volume: Page:
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Author:

Lee Seungjae¹,Ku Donggyun¹,Kim Gahyun¹,Peck Kyong Ran²,Park In Kwon³,Chang Rakwoo¹,Kim Donghan⁴

Affiliation:

1. University of Seoul

2. Sungkyunkwan University School of Medicine

3. Seoul National University

4. Korea Research Institute for Human Settlements

Abstract

Abstract In a situation that repeated vaccinations are required as the epidemic spreads, individuals are concerned about whether they are vaccinated or not. If an individual has immunity from an infection or vaccine, they recognise that the very small risk associated with vaccination is relatively greater than the risk of infection. When repeated vaccinations are conducted in society, a dilemma arises wherein the number of vaccine-avoiding individuals increases. This phenomenon is described using an indivisible-based Monte Carlo simulation, which can also be verified using the game theory. The agent’s uncooperative ego exists as the Nash equilibrium. Altruism individuals’ overall social benefits, that is, group immunity for completely controlled diseases, can be presented as the optimum value of the system. This rationale enables us to present new insights to help explain human decision-making. Currently, as COVID-19 becomes an endemic, infection risks are decreasing. Decreasing individual gains for vaccines owing to the reduced risk of infection will make it relatively more challenging to overcome the disease.

Publisher

Research Square Platform LLC

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