Why are different estimates of the effective reproductive number so different? A case study on COVID-19 in Germany. oleh Elisabeth K Brockhaus, Daniel Wolffram, Tanja Stadler, Michael Osthege, Tanmay Mitra, Jonas M Littek, Ekaterina Krymova, Anna J Klesen, Jana S Huisman, Stefan Heyder, Laura M Helleckes, Matthias An der Heiden, Sebastian Funk, Sam Abbott, Johannes Bracher