The impact of spatio-temporal travel distance on epidemics using an interpretable attention-based sequence-to-sequence model

• URL: http://arxiv.org/abs/2206.02536v2
• Date: Sun, 12 Nov 2023 15:12:28 GMT
• Title: The impact of spatio-temporal travel distance on epidemics using an interpretable attention-based sequence-to-sequence model
• Authors: Yukang Jiang, Ting Tian, Huajun Xie, Hailiang Guo, Xueqin Wang
• Abstract summary: Findings illuminate a compelling relationship between the volume of travelers at different distance ranges and the trajectories of COVID-19. We unveil the geographical variations in the influence of population movement at different travel distances on the dynamics of epidemic spread.
• Score: 2.203043417301343
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Amidst the COVID-19 pandemic, travel restrictions have emerged as crucial interventions for mitigating the spread of the virus. In this study, we enhance the predictive capabilities of our model, Sequence-to-Sequence Epidemic Attention Network (S2SEA-Net), by incorporating an attention module, allowing us to assess the impact of distinct classes of travel distances on epidemic dynamics. Furthermore, our model provides forecasts for new confirmed cases and deaths. To achieve this, we leverage daily data on population movement across various travel distance categories, coupled with county-level epidemic data in the United States. Our findings illuminate a compelling relationship between the volume of travelers at different distance ranges and the trajectories of COVID-19. Notably, a discernible spatial pattern emerges with respect to these travel distance categories on a national scale. We unveil the geographical variations in the influence of population movement at different travel distances on the dynamics of epidemic spread. This will contribute to the formulation of strategies for future epidemic prevention and public health policies.

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