Fig 1. Event study of days since country lockdown(= 0) and mobility measures.

Event study of 107 countries with national lockdown. Percentage change in mobility is in reference to the median value of mobility for the corresponding day of the week during the 5 weeks of January 3, 2020, to February 6, 2020. Day = 0 represents the day of national lockdown in the home country. The red line to the left of Day = 0 represents the average number of days prior to lockdown when the date of national lockdown was announced/recommended.