Changes in mobility and the time-varying effective reproduction number across countries and areas in the WRP. (a) Mean changes in mobility during which social distancing measures were in place (e.g., - 0.3 = a 30% reduction in mobility compared to February 2020). (b) Mean proportion of individuals staying put within a single district during the intervention. (c) The expected time-varying reproduction number at the beginning of the intervention. (d) The expected time-varying reproduction number at the end of the intervention.