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Mobility Zones
Ferdinando Monte1,2,3
1Georgetown University, McDonough School of Business, Washington, DC, United States of America.
Summary
New Mobility Zones help define geographic areas for COVID-19 mobility restrictions. These zones, based on county connectivity, shrank significantly during the pandemic, aiding policy decisions.
Area of Science:
- Epidemiology
- Network Science
- Public Health Policy
Background:
- Controlling infectious disease spread, like COVID-19, requires understanding population movement.
- Geographic definitions of mobility restrictions are crucial for effective policy implementation.
Purpose of the Study:
- To introduce and compute "Mobility Zones" to delineate the geographic scope of individual mobility restrictions.
- To analyze changes in these zones at the onset of the COVID-19 epidemic.
Main Methods:
- Constructing Mobility Zones as disjoint sets of counties connected by individual mobility.
- Utilizing smartphone-based mobility data to compute zones for the United States and individual states.
Main Results:
- Mobility Zones were computed, demonstrating connectivity within defined geographic areas.
- A significant reduction in the average area and population of Mobility Zones was observed around the epidemic's onset.
Conclusions:
- Mobility Zones provide a framework for understanding and implementing mobility restrictions.
- These zones can inform targeted policy interventions and inter-state coordination for epidemic control.
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