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. 2020 May 4:150:w20271.
doi: 10.4414/smw.2020.20271.

Reproductive number of the COVID-19 epidemic in Switzerland with a focus on the Cantons of Basel-Stadt and Basel-Landschaft

Jeremie Scire  1 , Sarah Nadeau  1 , Timothy Vaughan  1 , Gavin Brupbacher  2 , Simon Fuchs  3 , Jürg Sommer  4 , Katrin N Koch  4 , Reto Misteli  5 , Lukas Mundorff  5 , Thomas Götz  5 , Tobias Eichenberger  5 , Carlos Quinto  6 , Miodrag Savic  7 , Andrea Meienberg  8 , Thilo Burkard  8 , Michael Mayr  8 , Christoph A Meier  8 , Andreas Widmer  8 , Richard Kuehl  8 , Adrian Egli  8 , Hans H Hirsch  9 , Stefano Bassetti  9 , Christian H Nickel  8 , Katharina S Rentsch  10 , Werner Kübler  8 , Roland Bingisser  8 , Manuel Battegay  9 , Sarah Tschudin-Sutter  9 , Tanja Stadler  1
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Free article

Reproductive number of the COVID-19 epidemic in Switzerland with a focus on the Cantons of Basel-Stadt and Basel-Landschaft

Jeremie Scire et al. Swiss Med Wkly. .
Free article

Abstract

The reproductive number in Switzerland was between 1.5 and 2 during the first third of March, and has consistently decreased to around 1. After the announcement of the latest strict measure on 20 March 2020, namely that gatherings of more than five people in public spaces are prohibited, the reproductive number dropped significantly below 1; the authors of this study estimate the reproductive number to be between 0.6 and 0.8 in the first third of April.

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