Assessing the effectiveness of regional physical distancing measures of COVID-19 in rural regions of British Columbia

04/22/2021
by   Geoffrey McGregor, et al.
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We study the effects of physical distancing measures for the spread of COVID-19 in regional areas within British Columbia, using the reported cases of the five provincial Health Authorities. Building on the Bayesian epidemiological model of Anderson et al. (2020), we propose a hierarchical Bayesian model with time-varying regional parameters to account for the relative reduction in contact due to physical distancing and increased testing from March to December of 2020. In the absence of COVID-19 variants and vaccinations during this period, we examine the regionalized basic reproduction number, modelled prevalence, fraction of normal contacts, proportion of anticipated cases, and we observed significant differences between the provincial-wide and regional models.

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