研究了具饱和传染率的脉冲免疫接种SIS模型,得到了无病周期解全局渐近稳定的充分条件和系统持续生存的充分条件.
In this paper, the SIS epidemic model with saturated contact rate and pulse vaccination are discussed Sufficient conditions for global asymptotic stability of the infection-free periodic and uniform persistence of this model are obtained.