Universal Behavior in a Generalized Model of Contagion

Outline

Motivation

What do we mean by “contagion”?

What kinds of contagion are there?

Classes of Contagion Models

Graphically:

The Problem

Model Description

Model Description

Infection probability

Dose Response Examples

Recovery and Re-Susceptibility

Steady-State Dynamics

Collective Dynamics

Results:
1. Homogeneous Systems

Graphically

2.  Heterogeneous Systems

Graphically

Transitions Between Classes

Graphically

Hybrid Classes

Example of Hybrid Class (I and III)

More Hybrid Classes

Conclusions

Importance of Pk

Problems and Extensions

Slide 28