Understanding Behavior-Disease Models
Author Information
Author(s): Nicola Perra, Duygu Balcan, Bruno Gonçalves, Alessandro Vespignani
Primary Institution: Center for Complex Networks and Systems Research, Indiana University
Hypothesis
How do behavioral changes in response to disease perception affect epidemic spread?
Conclusion
The study presents a framework for modeling the interplay between disease spread and behavioral changes, revealing complex dynamics including multiple epidemic peaks.
Supporting Evidence
- The study proposes a general framework to model the spread of information and behavioral changes in response to disease.
- It identifies different mechanisms of fear propagation that influence social distancing behaviors.
- The models exhibit rich dynamics, including multiple epidemic peaks and the potential for a collective memory of fear.
Takeaway
When people hear about a disease, they might change their behavior to avoid getting sick, which can actually change how the disease spreads.
Methodology
The study uses a modified SIR model to analyze the effects of self-initiated social distancing based on disease perception.
Limitations
The models do not account for demographic changes or the costs of social distancing measures.
Digital Object Identifier (DOI)
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