Using Foursquare check-in flows and street networks, the authors show that larger cities are more segregated and less integrated, with the transport layer acting as the main integrator.
Future Evolution of COVID-19 Pandemic in North Carolina: Can We Flatten the Curve?
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abstract
On June 24th, Governor Cooper announced that North Carolina will not be moving into Phase 3 of its reopening process at least until July 17th. Given the recent increases in daily positive cases and hospitalizations, this decision was not surprising. However, given the political and economic pressures which are forcing the state to reopen, it is not clear what actions will help North Carolina to avoid the worst. We use a compartmentalized model to study the effects of social distancing measures and testing capacity combined with contact tracing on the evolution of the pandemic in North Carolina until the end of the year. We find that going back to restrictions that were in place during Phase 1 will slow down the spread but if the state wants to continue to reopen or at least remain in Phase 2 or Phase 3 it needs to significantly expand its testing and contact tracing capacity. Even under our best-case scenario of high contact tracing effectiveness, the number of contact tracers the state currently employs is inadequate.
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physics.soc-ph 1years
2019 1verdicts
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Unraveling the hidden organisation of urban systems and their mobility flows
Using Foursquare check-in flows and street networks, the authors show that larger cities are more segregated and less integrated, with the transport layer acting as the main integrator.