给出了一个带有非线性发生率及接种的流行病模型,并对它进行了分析,得出该模型有两个稳定点,一个无病平衡点及一个染病平衡点.
An epidemic model with nonlinear incidence is given. A new technique is applied for analyzing the model that has bistable equilibria that are a disease free equilibrium and an epidemic equilibrium which are locally asymptotically stable.