Author: Rafal Bogacz
Title: Estimating the probability of New Zealand regions being free from COVID-19 using a stochastic SEIR model Document date: 2020_4_21
ID: ab71pz6v_27
Snippet: To perform the calculation in the previous section, the values of parameters β, σ and γ need to be known. We set σ = 0.2 since the average incubation period of COVID-19 is around 5 days. We assume that β and γ are the same for the whole New Zealand. To estimate β and γ, 4 . CC-BY 4.0 International license It is made available under a author/funder, who has granted medRxiv a license to display the preprint in perpetuity. we find the values.....
Document: To perform the calculation in the previous section, the values of parameters β, σ and γ need to be known. We set σ = 0.2 since the average incubation period of COVID-19 is around 5 days. We assume that β and γ are the same for the whole New Zealand. To estimate β and γ, 4 . CC-BY 4.0 International license It is made available under a author/funder, who has granted medRxiv a license to display the preprint in perpetuity. we find the values which maximize the product of probabilities of observed data (Equation 7) across DHB. This maximum is found through a numerical optimization employing a simplex algorithm [4] with initial values β = γ = 0.3.
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