 This observation allows us to quantify the time needed to "switch off " the country mobility (one week) and the time required to bring the net reproduction number below  1 (one week).
<clarity>  This observation allows us to quantify the time needed to "switch off " the country mobility (one week) and the time required to bring the net reproduction number below  1 (one week).
 This observation allows us to quantify the time needed to switch off mobility and bring the net reproduction number below 1 (one week).