Results 31 to 40 of about 1,121,626 (305)

Basic reproduction number (R0) of SARS-CoV-2

open access: yesJournal of the College of Community Physicians, 2020
No abstract ...
Nuwan Darshana Wickramasinghe   +4 more
doaj   +1 more source

Mathematical modeling of the impact of treatment on the dynamics of typhoid

open access: yesJournal of the Egyptian Mathematical Society, 2021
In this paper, we propose a mathematical model for the transmission of typhoid which analyzes the impact of treatment of the infected individuals on the dynamics of the disease. The model consists of human population and pathogen population.
Halson O. Nyaberi, Jane S. Musaili
doaj   +1 more source

On the reproduction number in epidemics

open access: yesJournal of Biological Dynamics, 2021
This note provides an elementary derivation of the basic reproduction number and the effective reproduction number from the discrete Kermack–McKendrick epidemic model.
Milan Batista
doaj   +1 more source

A network immuno-epidemiological model of HIV and opioid epidemics

open access: yesMathematical Biosciences and Engineering, 2023
In this paper, we introduce a novel multi-scale network model of two epidemics: HIV infection and opioid addiction. The HIV infection dynamics is modeled on a complex network. We determine the basic reproduction number of HIV infection, $ \mathcal{R}_{v}
Churni Gupta   +2 more
doaj   +1 more source

Estimation of the Reproductive Number Trend of the Novel Coronavirus ”COVID-19“ in Southern Iran from July to November 2020 [PDF]

open access: yesIranian Journal of Medical Sciences, 2022
Background: Effective measures to control COVID-19 should be based on an understanding of its epidemiological pattern and the evaluation of its prevalence in the community. This study aimed to examine the reproductive number (R) of COVID-19 and its trend
Jafar Hasanzadeh   +2 more
doaj   +1 more source

Estimation of the basic reproduction number (R0) for the novel coronavirus disease in Sri Lanka

open access: yesVirology Journal, 2020
Background The basic reproduction number (R0) is the number of cases directly caused by an infected individual throughout his infectious period. R0 is used to determine the ability of a disease to spread within a given population. The reproduction number
Samath Dharmaratne   +5 more
doaj   +1 more source

ANALISIS MODEL EPIDEMIK SVEIR DENGAN CONTINUOUS TIME MARKOV CHAIN (CTMC) PADA PENYAKIT RUBELLA

open access: yesBarekeng, 2021
Penyakit rubella yang dikenal dengan sebutan campak Jerman adalah penyakit menular yang disebabkan oleh virus rubella. Penelitian ini mempelajari model dinamika penyebaran penyakit rubella menggunakan model SVEIR yang merupakan modifikasi dari model yang
Nur Eliska, Hadi Sumarno, Paian Sianturi
doaj   +1 more source

On the basic reproduction number in a random environment

open access: yesJournal of Mathematical Biology, 2012
The concept of basic reproduction number R0 in population dynamics is studied in the case of random environments. For simplicity the dependence between successive environments is supposed to follow a Markov chain. R0 is the spectral radius of a next-generation operator.
/Bacaër, Nicolas, Khaladi, M.
openaire   +4 more sources

Global dynamics of a periodic SEIRS model with general incidence rate [PDF]

open access: yes, 2017
We consider a family of periodic SEIRS epidemic models with a fairly general incidence rate and it is shown the basic reproduction number determines the global dynamics of the models and it is a threshold parameter for persistence.
García-Almeida, Gerardo   +2 more
core   +3 more sources

Bacteria–bacteriophage cycles facilitate Cholera outbreak cycles: an indirect Susceptible-Infected-Recovered-Bacteria- Phage (iSIRBP) model-based mathematical study

open access: yesJournal of Biological Dynamics, 2022
Cholera is an acute enteric infectious disease caused by the Gram-negative bacterium Vibrio cholerae. Despite a huge body of research, the precise nature of its transmission dynamics has yet to be fully elucidated.
Asma Al Habees   +3 more
doaj   +1 more source

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