Hou, Juan; Teng, Zhidong - In: Mathematics and Computers in Simulation (MATCOM) 79 (2009) 10, pp. 3038-3054
In this paper, two delayed SEIR epidemic models with continuous and impulsive vaccination and saturating incidence are investigated. The dynamical behaviors of the disease are analyzed. For continuous vaccination, we obtain a basic reproductive number R1 and prove that if R1≤1 then the...