Articles with "nonlinear incidence" as a keyword



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Multigroup deterministic and stochastic SEIRI epidemic models with nonlinear incidence rates and distributed delays: A stability analysis

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Published in 2017 at "Mathematical Methods in The Applied Sciences"

DOI: 10.1002/mma.4453

Abstract: In this paper, we investigate the dynamics of a multigroup disease propagation model with distributed delays and nonlinear incidence rates, which accounts for the relapse of recovered individuals. The main concern is the stability of… read more here.

Keywords: nonlinear incidence; incidence rates; multigroup deterministic; distributed delays ... See more keywords
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Diffusive Epidemiological Predator–Prey Models with Ratio-Dependent Functional Responses and Nonlinear Incidence Rate

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Published in 2020 at "Journal of Dynamical and Control Systems"

DOI: 10.1007/s10883-020-09512-3

Abstract: In this paper, when the predator breeds only by the prey, the relationship among the two classes of prey (susceptible and infected prey) and the predator is represented by using an epidemic model with nonlinear… read more here.

Keywords: epidemiological predator; diffusive epidemiological; prey; predator ... See more keywords
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Dynamics and control of COVID-19 pandemic with nonlinear incidence rates

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Published in 2020 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-020-05774-5

Abstract: World Health Organization (WHO) has declared COVID-19 a pandemic on March 11, 2020. As of May 23, 2020, according to WHO, there are 213 countries, areas or territories with COVID-19 positive cases. To effectively address… read more here.

Keywords: control covid; control; nonlinear incidence; covid pandemic ... See more keywords
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Asymptotic properties of a stochastic SIRS epidemic model with nonlinear incidence and varying population sizes

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Published in 2019 at "Dynamical Systems"

DOI: 10.1080/14689367.2019.1620689

Abstract: ABSTRACT This paper studies a class of stochastic SIRS epidemic models with general nonlinear incidence and varying population sizes. A new threshold value is obtained. The sufficient conditions for the global stability of the disease-free… read more here.

Keywords: incidence; sirs epidemic; incidence varying; varying population ... See more keywords
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DYNAMICAL ANALYSIS OF TB MODEL WITH NONLINEAR INCIDENCE RATE AND OPTIMAL CONTROL

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Published in 2023 at "Journal of Biological Systems"

DOI: 10.1142/s0218339023500250

Abstract: We propose and analyze a TB transmission model with nonlinear incidence rate, immunization and medical treatment. First, the existences and stabilities of the equilibrium are studied. The results indicate the basic reproduction number [Formula: see… read more here.

Keywords: model nonlinear; nonlinear incidence; incidence rate; model ... See more keywords
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A stochastic switched SIRS epidemic model with nonlinear incidence and vaccination: Stationary distribution and extinction

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Published in 2020 at "International Journal of Biomathematics"

DOI: 10.1142/s1793524520500205

Abstract: In this paper, a stochastic epidemic system with both switching noise and white noise is proposed to research the dynamics of the diseases. Nonlinear incidence and vaccination strategies are also c... read more here.

Keywords: stochastic switched; nonlinear incidence; switched sirs; incidence vaccination ... See more keywords
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Threshold Dynamics in Stochastic SIRS Epidemic Models with Nonlinear Incidence and Vaccination

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Published in 2017 at "Computational and Mathematical Methods in Medicine"

DOI: 10.1155/2017/7294761

Abstract: In this paper, the dynamical behaviors for a stochastic SIRS epidemic model with nonlinear incidence and vaccination are investigated. In the models, the disease transmission coefficient and the removal rates are all affected by noise.… read more here.

Keywords: sirs epidemic; nonlinear incidence; incidence vaccination; stochastic sirs ... See more keywords
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Stability analysis of a disease resistance SEIRS model with nonlinear incidence rate

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Published in 2018 at "Advances in Difference Equations"

DOI: 10.1186/s13662-018-1494-1

Abstract: In this paper, we study a new SEIRS epidemic model describing nonlinear incidence with a more general form and the transmission of influenza virus with disease resistance. The basic reproductive number ℜ0$\Re_{0}$ is obtained by… read more here.

Keywords: nonlinear incidence; model; disease resistance; disease ... See more keywords
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Mathematical evaluation of the role of cross immunity and nonlinear incidence rate on the transmission dynamics of two dengue serotypes

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Published in 2020 at "Advances in Difference Equations"

DOI: 10.1186/s13662-020-02585-1

Abstract: Dengue fever is a common disease which can cause shock, internal bleeding, and death in patients if a second infection is involved. In this paper, a multi-serotype dengue model with nonlinear incidence rate is formulated… read more here.

Keywords: transmission; nonlinear incidence; two dengue; incidence rate ... See more keywords
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Dynamic behaviors of a modified SIR model in epidemic diseases using nonlinear incidence and recovery rates

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Published in 2017 at "PLoS ONE"

DOI: 10.1371/journal.pone.0175789

Abstract: The transmission of infectious diseases has been studied by mathematical methods since 1760s, among which SIR model shows its advantage in its epidemiological description of spread mechanisms. Here we established a modified SIR model with… read more here.

Keywords: sir model; model; incidence recovery; nonlinear incidence ... See more keywords
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Dynamics of a COVID-19 Model with a Nonlinear Incidence Rate, Quarantine, Media Effects, and Number of Hospital Beds

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Published in 2021 at "Symmetry"

DOI: 10.3390/sym13060947

Abstract: In many countries the COVID-19 pandemic seems to witness second and third waves with dire consequences on human lives and economies Given this situation the modeling of the transmission of the disease is still the… read more here.

Keywords: quarantine media; incidence rate; hospital beds; model ... See more keywords