Fig. 2
From: Saving lives during the COVID-19 pandemic: the benefits of the first Swiss lockdown
Contact rate by age group over time. Note: This figure displays the evolution over time of the contact rates of individuals belonging to different age groups. Such dynamics reflect the differences in the intensity of the behavioral responses of these subjects. In particular, older individuals—namely those who are more likely to suffer from the most severe consequences of the disease—tend to reduce their contact rates more substantially in response to an increase in the number of deaths