Interpretable travel distance on the county-wise COVID-19 by sequence to sequence with attention
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Background: Travel restrictions as a means of intervention in the COVID-19 epidemic have reduced the spread of outbreaks using epidemiological models. We introduce the attention module in the sequencing model to assess the effects of the different classes of travel distances. Objective: To establish a direct relationship between the number of travelers for various travel distances and the COVID-19 trajectories. To improve the prediction performance of sequencing model. Setting: Counties from all over the United States. Participants: New confirmed cases and deaths have been reported in 3158 counties across the United States. Measurements: Outcomes included new confirmed cases and deaths in the 30 days preceding November 13, 2021. The daily number of trips taken by the population for various classes of travel distances and the geographical information of infected counties are assessed. Results: There is a spatial pattern of various classes of travel distances across the country. The varying geographical effects of the number of people travelling for different distances on the epidemic spread are demonstrated. Limitation: We examined data up to November 13, 2021, and the weights of each class of travel distances may change accordingly as the data evolves. Conclusion: Given the weights of people taking trips for various classes of travel distances, the epidemics could be mitigated by reducing the corresponding class of travellers.
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