Author: Shimada, Takashi; Suimon, Yoshiyuki; Izumi, Kiyoshi
Title: On the relation between active population and infection rate of COVID-19 Cord-id: j6d0wcsm Document date: 2020_8_18
ID: j6d0wcsm
Snippet: The relation between the number of passengers in the main stations and the infection rate of COVID19 in Tokyo is empirically studied. Our analysis based on conventional compartment model suggests: 1) Average time from the true day of infection to the day the infections are reported is about $15$ days. 2) The scaling relation between the density of active population and the infection rate suggests that the increase of infection rate is linear to the active population rather than quadratic, as tha
Document: The relation between the number of passengers in the main stations and the infection rate of COVID19 in Tokyo is empirically studied. Our analysis based on conventional compartment model suggests: 1) Average time from the true day of infection to the day the infections are reported is about $15$ days. 2) The scaling relation between the density of active population and the infection rate suggests that the increase of infection rate is linear to the active population rather than quadratic, as that is assumed in the conventional SIR model. 3) Notable deviations from the overall scaling relation seems to correspond to the change of the peoples's behavior in response to the public announcements of action regulation.
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