2007
DOI: 10.1590/s0124-00642007000100012
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Bases para la Modelación de Epidemias: el Caso del Síndrome Respiratorio Agudo Severo en Canadá

Abstract: The susceptible-infected model can be useful during an epidemic's initial phase (prior to removal); however, closer monitoring of an epidemic's development is required for modelling the strength of removal and deriving useful information for decision-making.

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Cited by 5 publications
(5 citation statements)
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“…These models can also describe the spread behavior of computer worms. Usually, they are referred as dynamic systems represented by differential equations; for example, in the cases shown in (Changchun et al, 2002;Yang-Chenxi, 2003;Tao et al, 2007;Onwubiko et al, 2005;Juan et al, 2010;Hincapié-Ospina, 2007;Tassier, 2005) they are used to represent SI, SIR and SIRS models (Hincapié-Ospina, 2007). However, before considering the dynamic modeling, it is necessary to explain commonly used concepts in specialized literature.…”
Section: Commonly Used Concepts In Modeling Computer Worms Epidemicsmentioning
confidence: 99%
See 1 more Smart Citation
“…These models can also describe the spread behavior of computer worms. Usually, they are referred as dynamic systems represented by differential equations; for example, in the cases shown in (Changchun et al, 2002;Yang-Chenxi, 2003;Tao et al, 2007;Onwubiko et al, 2005;Juan et al, 2010;Hincapié-Ospina, 2007;Tassier, 2005) they are used to represent SI, SIR and SIRS models (Hincapié-Ospina, 2007). However, before considering the dynamic modeling, it is necessary to explain commonly used concepts in specialized literature.…”
Section: Commonly Used Concepts In Modeling Computer Worms Epidemicsmentioning
confidence: 99%
“…Epidemiological State: Classical epidemiological models consider three states (Kermack-Mckendrick, 1927;Hincapié-Ospina, 2007) …”
Section: Epidemiologymentioning
confidence: 99%
“…No existen barreras que alteren el patrón de dispersión, excluyendo los casos de epidemias de origen común con exposiciones discontinuas y periodos de incubación conocidos (Torok, 2003). Al mismo tiempo se emplea una función de recuperación lineal, lo cual es claramente una aproximación poco realista, pues se sabe que la recuperación, en sí misma, es un proceso no lineal (Doracelli & Ospina, 2007). In Figure 2, the reader can observe, from left to right and from top to bottom, the evolution of a spread disease with a homogeneous population density.…”
Section: The Hoya Martin Del Rey and Rodríguez Modelunclassified
“…There are no barriers that modify the scattering pattern, excluding the cases of common source epidemics with discontinuous expositions and known incubation periods (Torok, 2003). At the same time, the authors employed a linear recovery function, which is an unrealistic approximation, since it is well known that the recovery is, by itself, a non-linear process (Doracelli & Ospina, 2007).…”
Section: The Hoya Martin Del Rey and Rodríguez Modelmentioning
confidence: 99%
“…Para el caso de estudio, el modelo Susceptible-Infectado (SI), de acuerdo con Hincapié y Ospina (2007), este asume que en una comunidad con n individuos, el número de individuos en estado susceptible S(t) entra en contacto directo con el número de individuos en estado infectado I(t), quienes pueden contagiar o cambiar a estado infeccioso con una velocidad de infección β a los individuos en estado susceptible. El número total de individuos n será igual a la suma del número de individuos en estado susceptible S(t), más el número de individuos en estado infectado I(t).…”
Section: Modelo Epidemiológico Susceptible-infectado (Si)unclassified