🛬 The Elimination–Importation SIS Model: Dynamics of Persistence in an Interconnected World 📈
──────────────────────────────────────── 🧭 Conceptual Overview In the context of regional and national disease elimination efforts, local control alone is often insufficient. The Elimination–Importation SIS Model formalizes the reality that populations are not closed systems. Even when local transmission is suppressed below the epidemic threshold, a disease may persist due to the continual arrival of infectious individuals … Read more