Fig. 1

Distribution of contacts by attributes: whether the contact wore a mask (fully, partly, or not at all), duration of contact in minutes (mins) or hours (hrs), location, and type (physical or non-physical). Figure 1 A shows this distribution for 785 contacts reported by 156 participants over 156 diary-days. Figure 1B shows this distribution for 693 contacts reported by 135 participants over 135 diary-days