Acknowledgement
Ari Voutilainen was part of the initial phase of the study but could not continue with the project. The R code used for analysis can be found here: https://github.com/mounirsetti/COVID-19-Rt-and-Mobility-Patterns. Mounir Ould Setti is employed by IQVIA, a global contract research organization with multiple clients from the pharmaceutical industry. However, IQVIA neither initiated the study nor funded it. Sylvain Tollis is funded by the Sigrid Juselius Foundation.
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