📈 Spatial Persistence and Flow: The Reaction–Diffusion SIS Model 🌍

🧠 Conceptual Overview In the sophisticated field of spatial epidemiology, the Reaction–diffusion SIS model is a cornerstone framework for analyzing the geographic spread and long-term persistence of infectious diseases that do not confer lasting immunity. By combining the classical SIS epidemiological structure with a spatial diffusion operator, the model moves beyond purely temporal dynamics and … Read more