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Optimizing Living Material Delivery During the COVID-19 Outbreak.

Tianhong Zhao1,2,3,4, Wei Tu1,2,3,4, Zhixiang Fang5

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|November 8, 2022
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Summary
This summary is machine-generated.

This study introduces a new delivery route method to reduce coronavirus disease 2019 (COVID-19) transmission risk during essential deliveries. The approach significantly lowers infection risk compared to traditional methods.

Keywords:
COVID-19emergency logisticshybrid meta-heuristicsliving materialsvirus transmission

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Area of Science:

  • Epidemiology
  • Operations Research
  • Public Health

Background:

  • The COVID-19 pandemic necessitates effective delivery systems for essential goods during quarantine.
  • Traditional delivery route optimization does not account for infectious disease transmission risks.
  • Delivery personnel can act as vectors for virus spread within urban populations.

Purpose of the Study:

  • To develop a novel delivery route optimization approach that incorporates COVID-19 transmission risk.
  • To create a bi-objective model balancing delivery efficiency and infection risk reduction.
  • To evaluate the proposed method's effectiveness in a real-world scenario.

Main Methods:

  • Development of a complex network-based virus transmission model.
  • Formulation of a bi-objective optimization model for route selection.
  • Application of hybrid meta-heuristics (adaptive large neighborhood search and simulated annealing).
  • Empirical testing and performance evaluation in Wuhan, China.

Main Results:

  • The proposed approach optimizes routes for 935 vehicles covering 56,424.55 km to serve 3,154 neighborhoods.
  • The method achieved a significant reduction in COVID-19 transmission risk.
  • A 67.55% reduction in transmission risk was observed compared to distance-based optimization.

Conclusions:

  • The novel delivery route optimization approach effectively mitigates COVID-19 transmission risks.
  • Integrating epidemiological factors into logistics planning is crucial for pandemic response.
  • This strategy enhances urban resilience during public health crises.