(originates from widespread ideas in Italy that when you die of Coronavirus in Germany with comorbidity the death is then attribute to the comorbidity, so they come out better at numbers

info page on case collection at Robert Koch Institute https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Fallzahlen.html

RKI is mandated to keep tabs on  plagues by the Infection Protection Act https://www.rki.de/EN/Content/infections/inf_dis_down.pdf?__blob=publicationFile