Synchronization of COVID-19 Epidemic among Nearby Countries in Europe, America and Africa

Authors: Yoshikura H*

DOI: 10.23880/eij-16000240

Volume 6, Issue 3

Abstract

For epidemiological analysis of COVID-19, daily number of the patients (P) and daily number of the deaths (D) divided by the daily number of the patients (D/P) were plotted in the vertical axis in logarithmic scale along days in the horizontal axis. The plots were synchronized among nearby countries but not across regions. D/P declined wave by wave to become <0.01 by 3-4 months after the start of the epidemic, nearly one year ahead of the start of vaccination.

Keywords: SARS-CoV2; Epidemic Curve; Case-Fatality; Synchronization; Quasi-Species; Vaccination

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