2014
DOI: 10.7763/ijapm.2014.v4.252
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Stability Analysis of SEIR Model with Saturated Incidence and Time Delay

Abstract: In this paper, the effect of time delay on an SEIR epidemic model with saturated incidence rate is investigated. The model has two equilibria, namely, a disease-free equilibrium and an endemic equilibrium. The threshold value of the model, which is called the basic reproduction number, is derived. The results show that for any time delay if the basic reproduction number is less than unity, the disease-free equilibrium is locally asymptotically stable whereas if it is greater than unity, the endemic equilibrium… Show more

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Cited by 22 publications
(8 citation statements)
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References 9 publications
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“…As mentioned by Tipsri and Chinviriyasit [78] , the equilibrium solutions are same for the system with and without time delay. Therefore, to obtain the equilibrium points, we use .…”
Section: Dynamics Of Delayed System (22)mentioning
confidence: 67%
“…As mentioned by Tipsri and Chinviriyasit [78] , the equilibrium solutions are same for the system with and without time delay. Therefore, to obtain the equilibrium points, we use .…”
Section: Dynamics Of Delayed System (22)mentioning
confidence: 67%
“…Kermack and McKendrick [1,2] systematically introduced deterministic models for infectious diseases. Several researchers have explored different types of epidemic systems by examining the different models like SI [3], SIS [4], SIR [5,6,7,8,9,10], SIRS [9], SEIR [11,12,13,14], SIQR [15], SEIRV [16,17], etc to better understand the process of disease transmission. In recent decades, controlling infectious illnesses has become a more difficult task.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, controlling infectious diseases has become a more di cult task [13]. Vaccination is one approach for controlling infectious diseases [14]. Vaccination is an important component of health treatments aiming at avoiding the spread of transferable diseases because of its wellbeing and rate e ciency [15].…”
Section: Introductionmentioning
confidence: 99%