Covid-19 trajectories: Monitoring pandemic in the worldwide context
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Background: Covid-19 pandemic is developing worldwide with common dynamics but also with partly marked differences between regions and countries. They are not completely understood, but presumably, provide one clue to find ways to mitigate epidemics until exit strategies to its eradication become available. Method: We provide a monitoring tool available at www.izbi.de. It enables inspection of the dynamic state of the epidemic in 187 countries using trajectories. They visualize transmission and removal rates of the epidemic and this way bridge epi-curve tracking with modelling approaches. Results: Examples were provided which characterize state of epidemic in different regions of the world in terms of fast and slow growing and decaying regimes and estimate associated rate factors. Basic spread of the disease associates with transmission between two individuals every two-three days on the average. Non-pharmaceutical interventions decrease this value to up to ten days where complete lock down measures are required to stop the epidemic. Comparison of trajectories revealed marked differences between the countries regarding efficiency of measures taken against the epidemic. Trajectories also reveal marked country-specific dynamics of recovery and death rates. Conclusions: The results presented refer to the pandemic state in May 2020 and can serve as working instruction for timely monitoring using the interactive monitoring tool as a sort of seismometer for the evaluation of the state of epidemic, e.g., the possible effect of measures taken in both, lock-down and lock-up directions. Comparison of trajectories between countries and regions will support developing hypotheses and models to better understand regional differences of dynamics of Covid-19.

LHA-ID: 82KAXCDCR1-3

Filename: Covid viewer medRxiv.pdf 

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Created: 10th Jun 2020 at 08:39

Last updated: 10th Jun 2020 at 08:39

Last used: 3rd Jul 2020 at 06:45

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