Modelización markoviana de la expansión del virus varicela-zóster en una residencia
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2021
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2021
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Abstract
Actualmente el estudio de enfermedades contagiosas tiene un gran interés científico por las situaciones de emergencia que estas desencadenan, sobre todo, en el ámbito sanitario.
Los modelos epidemiológicos y la simulación son herramientas que nos permiten mejorar nuestra comprensión de la dinámica de transmisión de estas enfermedades y así poder planificar situaciones de contingencia.
En este trabajo nos proponemos conocer la evolución del Virus Varicela Zóster (VVZ) en una residencia. Nuestro interés se centra en poder cuantificar a largo plazo el número de infectados en una residencia, así como tener la información necesaria para controlar los brotes de la enfermedad.
Para llevar a cabo el estudio se considera un modelo estocástico en tiempo continuo. Concretamente, se utilizan las cadenas de Markov, para describir la variación del estado de salud de los residentes durante los brotes de la enfermedad y el tiempo en el que la población en estudio se encuentra en un estado crítico.
Currently the study of contagious diseases is of great scientific interest due to the emergency situations they trigger, especially in the health field. Epidemiological models and simulation are tools that allow us to improve our understanding of the transmission dynamics of these diseases and thus be able to plan contingency situations. In this work we propose to know the evolution of Varicella Zoster Virus (VZV) in a nursing home. Our interest arises in being able to quantify in the long term the number of infected people in a nursery home, as well as to have the necessary information to control the outbreaks of the disease. To carry out the study, a stochastic model in continuous time is considered. Specifically, Markov chains are used to describe the variation in the health status of residents during outbreaks of this disease and the time when the underlying population is in a critical state.
Currently the study of contagious diseases is of great scientific interest due to the emergency situations they trigger, especially in the health field. Epidemiological models and simulation are tools that allow us to improve our understanding of the transmission dynamics of these diseases and thus be able to plan contingency situations. In this work we propose to know the evolution of Varicella Zoster Virus (VZV) in a nursing home. Our interest arises in being able to quantify in the long term the number of infected people in a nursery home, as well as to have the necessary information to control the outbreaks of the disease. To carry out the study, a stochastic model in continuous time is considered. Specifically, Markov chains are used to describe the variation in the health status of residents during outbreaks of this disease and the time when the underlying population is in a critical state.