摘要
研究了具有一般形式的接触率潜伏期和染病期均有传染力的SEIR模型,给出了无病平衡点和地方病平衡点存在的条件,得到了疾病流行的阈值.证明了无病平衡点和地方病平衡点是全局渐近稳定的.
In this paper,considering an SEIR epidemic model with a general contact rate and have infectious force in latent period and infected period,the conditions to the existence of the disease-free equilibrium and the endemic equilibrium are identified,we obtain the threshold of the disease popularity.This paper proves global asymptotical stability of the disease-free equilibrium and the endemic equilibrium.
出处
《哈尔滨理工大学学报》
CAS
北大核心
2010年第2期71-75,82,共6页
Journal of Harbin University of Science and Technology
基金
黑龙江省自然基金资助项目(A200502
A200811)
黑龙江省教育厅资助项目(10051061)
