Results 51 to 60 of about 1,081 (157)

Determination in Galicia of the required beds at Intensive Care Units

open access: yesAlexandria Engineering Journal, 2021
By using a recent mathematical compartmental model that includes the super-spreader class and developed by Ndaïrou, Area, Nieto, and Torres, a procedure to estimate in advance the number of required beds at intensive care units is presented.
Iván Area   +3 more
doaj   +1 more source

Analysis of a Data‐Driven Vector‐Borne Dengue Transmission Model for a Tropical Environment in Bangladesh

open access: yesInternational Journal of Differential Equations, Volume 2024, Issue 1, 2024.
Dengue is the most prominent arboviral infection known to humans, especially in tropical regions of the world like Bangladesh. This is often a tricky outbreak to deal with, given its nature of seasonality, and due to the impact of climate change, variations in the length of its on‐season have been observed.
Mahadee Al Mobin   +4 more
wiley   +1 more source

Regression to the mean in regression discontinuity design: bias and sensitivity analysis

open access: yesJournal of Causal Inference
When making causal inferences from observational data, researchers must consider the effects of confounding. In a regression discontinuity design (RDD), individuals receive a treatment based on whether they score below or above a threshold value measured
Karmakar Bikram
doaj   +1 more source

Are the upper bounds for new SARS-CoV-2 infections in Germany useful?

open access: yesComputational and Mathematical Biophysics, 2021
At the end of 2019, an outbreak of a new coronavirus, called SARS–CoV–2, was reported in China and later in other parts of the world. First infection reported in Germany by the end of January 2020 and on March 16th, 2020 the federal government announced ...
Bock Wolfgang   +3 more
doaj   +1 more source

The effect of changing COVID-19 restrictions on the transmission rate in a veterinary clinic

open access: yesInfectious Disease Modelling, 2023
With the declaration of the COVID-19 pandemic by the World Health Organization on March 11, 2020, the University of Tennessee College of Veterinary Medicine (UTCVM), like other institutions, restructured their services to reduce the potential spread of ...
Lee Spence   +6 more
doaj   +1 more source

Stochastic epidemic SEIRS models with a constant latency period

open access: yes, 2017
In this paper we consider the stability of a class of deterministic and stochastic SEIRS epidemic models with delay. Indeed, we assume that the transmission rate could be stochastic and the presence of a latency period of $r$ consecutive days, where $r ...
Bardina, Xavier   +2 more
core   +1 more source

Optimal control of an SIR epidemic through finite-time non-pharmaceutical intervention

open access: yes, 2020
We consider the problem of controlling an SIR-model epidemic by temporarily reducing the rate of contact within a population. The control takes the form of a multiplicative reduction in the contact rate of infectious individuals.
Ketcheson, David I.
core   +1 more source

Analysis of the Diffusion SIR Epidemic Model With Networked Delay and Nonlinear Incidence Rate

open access: yesJournal of Mathematics, Volume 2024, Issue 1, 2024.
This paper is concerned with the qualitative analysis of a diffusion SIR epidemic model with networked delay and nonlinear incidence rate. First, we prove the existence and uniqueness of the model by using the method of upper and lower solutions. Then, we prove that the trivial equilibrium (0, 0) is unstable; the disease‐free equilibrium (N, 0) is ...
Xiangyu Tang, Yujuan Chen, Mengxin Chen
wiley   +1 more source

On a stochastic epidemic SIR model with non-homogeneous population: a toy model for HIV

open access: yesOpen Mathematics
In this paper, we generalise a simple discrete-time stochastic SIR-type model introduced by Tuckwell and Williams. The SIR model by Tuckwell and Williams assumes a homogeneous population, a fixed infectious period, and a strict transition from ...
Rovira Carles
doaj   +1 more source

Effect of Vaccination to COVID-19 Disease Progression and Herd Immunity

open access: yesComputational and Mathematical Biophysics, 2021
A mathematical model of COVID-19 with a delay-term for the vaccinated compartment is developed. It has parameters accounting for vaccine-induced immunity delay, vaccine effectiveness, vaccination rate, and vaccine-induced immunity duration.
Caga-anan Randy L.   +5 more
doaj   +1 more source

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