First-order phase transitions in outbreaks of co-infectious diseases and the extended general epidemic process
First-order phase transitions in outbreaks of co-infectious diseases and the extended general epidemic process
In co-infections, positive feedback between multiple diseases can accelerate outbreaks. In a recent letter Chen, Ghanbarnejad, Cai, and Grassberger (CGCG) introduced a spatially homogeneous mean-field model system for such co-infections, and studied this system numerically with focus on the possible existence of discontinuous phase transitions. We show that their model …