• Title/Summary/Keyword: 전염확률분포

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A transmission distribution estimation for real time Ebola virus disease epidemic model (실시간 에볼라 바이러스 전염병 모형의 전염확률분포추정)

  • Choi, Ilsu;Rhee, Sung-Suk
    • Journal of the Korean Data and Information Science Society
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    • v.26 no.1
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    • pp.161-168
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    • 2015
  • The epidemic is seemed to be extremely difficult for accurate predictions. The new models have been suggested that show quite different results. The basic reproductive number of epidemic for consequent time intervals are estimated based on stochastic processes. In this paper, we proposed a transmission distribution estimation for Ebola virus disease epidemic model. This estimation can be easier to obtain in real time which is useful for informing an appropriate public health response to the outbreak. Finally, we implement our proposed method with data from Guinea Ebola disease outbreak.

Estimation of infection distribution and prevalence number of Tsutsugamushi fever in Korea (국내 쯔쯔가무시증의 감염자 분포와 유병자수 추정)

  • Lee, Jung-Hee;Murshed, Sharwar;Park, Jeong-Soo
    • Journal of the Korean Data and Information Science Society
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    • v.20 no.1
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    • pp.149-158
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    • 2009
  • Tsutsugamushi fever occupies more than 80% of total fall epidemic diseases and has an incubation period of 1 or 2 weeks as well. We have assumed that the incubation period distribution is gamma and therefore, reach an agreement that the infected distribution is normal with ${\hat{\mu}}=309.92$, ${\hat{\sigma}}=14.154$ by back calculation method. The infection cases are found severely large around the month of October. The infection case distribution demonstrates the incidence number increasing rapidly and progresses fast during the month of November. In this study, we have calculated the future prevalence number of maximum 1,200 people by inferred infection probability and incubation period distribution with some sort of limitation that the trend of increasing incidence number is not taking into an account. We considered the SIRS model which is also known as epidemic model, familiar to interaction between epidemiological classes. Our estimated parameters converged well with the initial parameter values.

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