At least, here is a link to a preliminary summary of the study, in German language. Please note how shallow the text is in its current state. https://www.land.

At least, here is a link to a preliminary summary of the study, in German language. Please note how shallow the text is in its current state. https://www.land.nrw/sites/default/files/asset/document/zwischenergebnis_covid19_case_study_gangelt_0.pdf https://www.land.nrw/sites/default/files/asset/document/zwis...