The first three months of the COVID-19 epidemic: Epidemiological evidence for two separate strains of SARS-CoV-2 viruses spreading and implications for prevention strategies

Knut M. Wittkowski

is the (which was not peer-reviewed) The copyright holder for this preprint . https://doi.org/10.1101/2020.03.28.20036715 doi: medRxiv preprint See Fig 1 for legend. Data in Germany is based on cases reported electronically to the Robert-Koch-Institute (RKI) and transmitted to the ECDC, but the RKI also provides two sources of data on its Web site that are difficult to reconcile with these data. To account for a temporary peak in Germany on 03-20/21, when the reporting system was changed, the 03-14..03-21 were averaged. 6082 cases have been added for Germany based on (https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Situationsberichte/2020-04-04-de.pdf?__blob=publicationFile) On 04-04, France added additional data from nursing homes .( https://www.reuters.com/article/us-health-coronavirus-france-toll/french-coronavirus-cases-jumpabove-chinas-after-including-nursing-home-tally-idUSKBN21L3BG ). Germany . CC-BY-ND 4.0 International license It is made available under a author/funder, who has granted medRxiv a license to display the preprint in perpetuity.