What the study found
The study found that fear related to epidemics can spread through a population across five psychological states: susceptible, aware, exposed, fearful, and recovered. It also found that fear propagation is influenced by both interpersonal contact and media reports of terrible news.
Why the authors say this matters
The authors conclude that psychological factors, especially fear, shape behavioral responses during epidemics. They say these findings highlight the need for targeted public health interventions that address both direct interpersonal spread and fear spread through media influence.
What the researchers tested
The researchers proposed a social mathematical model for epidemic-related fear propagation under media influence. They calculated a basic reproduction number, analyzed its sensitivity to model parameters, and discussed local and global stability at fear-free and endemic equilibrium points. They also set model parameters using existing studies on COVID-19 fear in Turkey and ran numerical simulations.
What worked and what didn't
The model results showed that fear propagation worsens when awareness is lost, when people interact directly with exposed and fearful individuals, and when they encounter terrible news in the media. The abstract also states that fear concentrates people in the fearful compartment, where they interact with susceptible and aware compartments, affecting overall fear dynamics.
What to keep in mind
The abstract does not describe practical intervention tests, so the findings come from a mathematical model and simulations rather than a real-world intervention study. The parameter setting was based on existing studies on COVID-19 fear in Turkey, so the model's scope is tied to that context.
Key points
- The model divides people into five psychological states: susceptible, aware, exposed, fearful, and recovered.
- Fear can spread through direct interaction with exposed and fearful people and through terrible news in the media.
- Loss of awareness is associated with stronger fear propagation.
- The study calculates a basic reproduction number and examines stability at fear-free and endemic equilibrium points.
- Numerical simulations were based on parameter values from existing studies on COVID-19 fear in Turkey.
Disclosure
- Research title:
- Media-linked fear spreads through epidemic-related psychological states
- Authors:
- Dіlara Yapişkan, Delfim F. M. Torres
- Institutions:
- University of Aveiro, University of Aveiro
- Publication date:
- 2026-02-27
- OpenAlex record:
- View
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