2021
DOI: 10.1155/2021/5556897
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About Partial Reachability Issues in an SEIR Epidemic Model and Related Infectious Disease Tracking in Finite Time under Vaccination and Treatment Controls

Abstract: This paper studies some basic properties of an SEIR (Susceptible-Exposed-Infectious-Recovered) epidemic model subject to vaccination and treatment controls. Firstly, the basic stability, boundedness, and nonnegativity of the state trajectory solution are investigated. Then, the problem of partial state reachability from a certain state value to a targeted one in finite time is focused on since it turns out that epidemic models are, because of their nature, neither (state) controllable from a given state to the… Show more

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Cited by 4 publications
(4 citation statements)
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“…Chen et al [9] proposed a time-dependent SIR model, which tracks the transmission and recovery rate of time t. Gu et al [10] proposed the establishment of a SEIR transmission dynamics model considering the virus transmission capacity of patients in the incubation period and tracking the impact of isolation interventions on the epidemic. Radulescu and Manuel et al [11,12], respectively, adapted the traditional SEIR epidemic model to the specific dynamic compartment and epidemic parameters of COVID-19 and studied some basic characteristics of the SEIR epidemic model affected by vaccination and treatment control. Wang et al [13] introduced the concept of asymptomatic infected persons and proposed to build a SEIADR model, which has better fitting effect and authenticity.…”
Section: Prediction Model Of Covid-19mentioning
confidence: 99%
See 1 more Smart Citation
“…Chen et al [9] proposed a time-dependent SIR model, which tracks the transmission and recovery rate of time t. Gu et al [10] proposed the establishment of a SEIR transmission dynamics model considering the virus transmission capacity of patients in the incubation period and tracking the impact of isolation interventions on the epidemic. Radulescu and Manuel et al [11,12], respectively, adapted the traditional SEIR epidemic model to the specific dynamic compartment and epidemic parameters of COVID-19 and studied some basic characteristics of the SEIR epidemic model affected by vaccination and treatment control. Wang et al [13] introduced the concept of asymptomatic infected persons and proposed to build a SEIADR model, which has better fitting effect and authenticity.…”
Section: Prediction Model Of Covid-19mentioning
confidence: 99%
“…Since the outbreak of the epidemic, scholars at home and abroad have carried out relevant research on the transmission models of novel coronavirus. Most of these models are based on classical infectious disease models, such as the mathematical model of infectious disease dynamics SIR model [7][8][9], SEIR model [2][3][4][5][6][10][11][12], and SEIAR model. [13][14][15][16][17][18][19][20], which divide the population into susceptible s, latent e, infectious I, confirmed J, and rehabilitated R groups.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, see [3] for verification of the behavior of the model with susceptible and exposed populations. Some of the works that motivated this present research include a heat transfer model developed using a fractional derivative [4], the use of the Laplace Adomian Decomposition method (LADM) to analyze an SEIR model for the first time [5], a COVID-19 model using the fractional derivative [6], research into the existence and uniqueness of nonlinear epidemiology applications [7], an SEIR model using vaccination strategy and a fractional order [8], a COVID-19 model under the lockdown strategy [9], an SIR model following the social distancing strategy [10], an Indonesian SIR COVID-19 epidemic fuzzy model [11], a Stiff Fuzzy COVID-19 model under the 14-day transmission model [1], a new fractional epidemic model dealing with a death population [12], as well as an LADM for solving a model for HIV infection of CD4 + T cells [13], a fractional SEIQ with delay [14], a fractional model of dengue transmission [15], and a discrete COVID-19 stochastic model [16]. Recently, authors including Mathews, Vitaly, and many others [17][18][19][20][21][22][23][24][25] have started to work on epidemic modeling, especially on models for COVID-19.…”
Section: Introductionmentioning
confidence: 99%
“…The effect of social distance is analyzed in the mitigation of disease spread. In [23][24][25][26][27], the authors consider the effect of vaccination in modeling the disease outbreak. These models help us to understand how global vaccination reduces the rate of mortality.…”
Section: Introductionmentioning
confidence: 99%