Selected article for: "cc NC ND International license and contact number"
Author: Shengjie Lai; Nick W Ruktanonchai; Liangcai Zhou; Olivia Prosper; Wei Luo; Jessica R Floyd; Amy Wesolowski; Mauricio Santillana; Chi Zhang; Xiangjun Du; Hongjie Yu; Andrew J Tatem
Title: Effect of non-pharmaceutical interventions for containing the COVID-19 outbreak in China
  • Document date: 2020_3_6
    • ID: jtwb17u8_33
    Snippet: We constructed a travel network-based SEIR modelling framework (the code of model is available online at https://github.com/wpgp/BEARmod) for before-and-after comparable analyses on NPI efficacy. First, we simulated the COVID-19 spread across a metapopulation, where each population represented a city across China. Within each population, numbers of susceptible, exposed, infectious, and recovered/removed people were tracked per day. 3 The epidemio.....
    Document: We constructed a travel network-based SEIR modelling framework (the code of model is available online at https://github.com/wpgp/BEARmod) for before-and-after comparable analyses on NPI efficacy. First, we simulated the COVID-19 spread across a metapopulation, where each population represented a city across China. Within each population, numbers of susceptible, exposed, infectious, and recovered/removed people were tracked per day. 3 The epidemiological parameters estimated for the early stage of the outbreak in Wuhan were used to parameterise the epidemic before widely implementing the NPIs. 41 The number of new people that could become exposed was calculated based on the daily contact rate ܿ and the number of infectious people in the city ‫ܫ‬ , and this was turned into a number of newly exposed people after multiplying by the fraction of people in ݅ who were susceptible (accounting for potential encounters with already-infected people, which did not lead to a new infection). Table S1 ). Finally, infectious people moved between cities, where the probability of moving from city ݅ to city ݆ ‫(‬ ) was equal to the proportion . CC-BY-NC-ND 4.0 International license It is made available under a author/funder, who has granted medRxiv a license to display the preprint in perpetuity.

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